An original Thinka practice paper modelled on the structure and difficulty of the Jun 2023 Cambridge International A Level Psychology (9685) paper. Not affiliated with or reproduced from Cambridge.
Section Unit 1: Introductory Topics
Answer all questions in the spaces provided. Section A: Memory, Section B: Social Psychology, Section C: Psychopathology.
14 Question · 90 marks
Question 1 · Short Answer
4 marks
Amelie is trying to follow spoken instructions to build a flat-pack bookcase while simultaneously looking at the diagrammatic assembly guide. According to the Working Memory Model (WMM), explain why Amelie is able to perform these two tasks together successfully.
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Worked solution
1 mark for identifying that the tasks involve different subsystems of the WMM. 1 mark for connecting spoken instructions to the phonological loop. 1 mark for connecting the diagrammatic guide to the visuo-spatial sketchpad. 1 mark for explaining that because these slave systems have separate/independent processing capacities, there is no cognitive overload, allowing successful dual-task performance.
Marking scheme
4 marks: Clear and coherent explanation applying the WMM to the scenario, correctly identifying both subsystems and explaining why dual-task performance is possible. 3 marks: Explanation is mostly clear but may lack detail on one of the subsystems or the concept of limited independent capacity. 2 marks: Basic application pointing out at least one correct subsystem and a general understanding of dual-tasking. 1 mark: Isolated knowledge of the WMM without meaningful application.
Question 2 · Short Answer
4 marks
Briefly explain how the cognitive interview technique of 'report everything' can improve the accuracy of eyewitness testimony. In your answer, refer to a specific scenario involving an eyewitness to a crime.
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Worked solution
1 mark for explaining the core concept of 'report everything' (recalling all details, however insignificant). 1 mark for applying this to a relevant scenario (e.g., bank robbery details like a passerby's jacket). 1 mark for explaining the psychological mechanism (trivial memories acting as retrieval cues to trigger other memories). 1 mark for connecting this process to how it prevents editing/filtering of information to increase overall accuracy.
Marking scheme
4 marks: Complete and accurate explanation of the 'report everything' technique, clearly applying it to a relevant scenario and explaining the underlying cognitive mechanism. 3 marks: Clear explanation and application, but the psychological mechanism is only partially explained. 2 marks: Shows basic understanding of the technique with some attempt at application. 1 mark: Vague or incomplete description of the technique.
Question 3 · Short Answer
4 marks
Marcus learned Spanish in middle school. Now, in high school, he is learning Italian. During his Italian oral exam, he accidentally uses Spanish words instead of Italian ones. Identify the type of interference Marcus is experiencing and explain how this type of interference occurs with reference to Marcus's scenario.
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Worked solution
1 mark for correctly identifying proactive interference. 1 mark for defining proactive interference (older memories interfering with the recall of newer ones). 1 mark for applying this to Marcus's scenario (Spanish is the older memory, Italian is the newer memory). 1 mark for explaining the outcome (the older Spanish memory interferes with/disrupts his retrieval of Italian during the exam).
Marking scheme
4 marks: Correctly identifies proactive interference and provides a highly coherent explanation clearly linking the older Spanish memory interfering with the newer Italian memory. 3 marks: Correctly identifies proactive interference and provides a clear explanation, but may have minor omissions in the application. 2 marks: Identifies proactive interference but the explanation is weak or generic with minimal application. 1 mark: Correctly identifies proactive interference only, OR gives a confused definition/application.
Question 4 · Short Answer
4 marks
A military officer tells a soldier to destroy a local bridge. Although the soldier initially hesitates because he feels it is wrong, he carries out the command, telling himself that he is just 'following orders' and that his superior officer will take full responsibility for any consequences. Use your knowledge of the agentic state to explain the soldier's behavior in this scenario.
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Worked solution
1 mark for identifying the shift from an autonomous state (feeling responsible/moral strain) to an agentic state (acting as an agent). 1 mark for explaining the role of perceiving the officer as a legitimate authority figure. 1 mark for applying this to the scenario (the soldier obeys because he believes the officer is responsible). 1 mark for explaining the role of binding factors (rationalizing that the officer takes responsibility, reducing moral strain).
Marking scheme
4 marks: Detailed and accurate explanation of the agentic state and agentic shift, explicitly applied to the scenario including the soldier's rationalization of responsibility (binding factors). 3 marks: Good explanation of the agentic state applied to the scenario, but may miss the concept of binding factors or the transition from the autonomous state. 2 marks: Basic explanation of the agentic state with some reference to the soldier. 1 mark: Superficial understanding of 'agentic state' or just rephrasing the scenario.
Question 5 · Short Answer
4 marks
During a group meeting, several colleagues agree to falsify a progress report. However, Clara refuses to sign the report, stating that she alone is responsible for her work's integrity and that she knows the falsified data is incorrect. With reference to Clara's behavior, explain how locus of control can be used to explain resistance to social influence.
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Worked solution
1 mark for identifying that Clara likely possesses an internal locus of control. 1 mark for defining internal locus of control (outcomes determined by one's own actions). 1 mark for applying this to Clara's scenario (stating she is personally responsible). 1 mark for explaining how this internal belief system leads to resistance to social influence (higher self-confidence, less need for social approval, less likely to conform).
Marking scheme
4 marks: Clear and coherent explanation identifying internal LOC, defining it accurately, and fully applying it to Clara's resistance to group pressure. 3 marks: Explanation is mostly clear and identifies internal LOC, with some application to Clara, but the link between LOC and resistance is not fully developed. 2 marks: Basic understanding of LOC is shown, but application to Clara is weak. 1 mark: Outlines LOC very briefly with no meaningful application.
Question 6 · Short Answer
4 marks
A small group of local residents wants their council to build a new cycle lane. They attend every town meeting with a clear, unchanging message, and they even volunteer their own time to draft safety plans for the lane. Identify and explain two factors involved in minority influence that are demonstrated by the residents in this scenario.
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Worked solution
1 mark for identifying consistency. 1 mark for explaining consistency with reference to the scenario (unchanging message at every meeting). 1 mark for identifying commitment. 1 mark for explaining commitment with reference to the scenario (volunteering own time to draft plans, demonstrating sacrifice/augmentation principle).
Marking scheme
4 marks: Correctly identifies and explains both consistency and commitment, with clear links to the scenario for both. 3 marks: Identifies both factors but explanation/application for one is weaker, or identifies and fully explains only one factor in excellent detail. 2 marks: Identifies both factors but provides very superficial explanations, or explains only one factor correctly. 1 mark: Identifies one or both factors but fails to explain them or apply them.
Question 7 · Short Answer
4 marks
Julian has developed a severe fear of germs. He spends up to four hours a day washing his hands and cleaning his desk, which has caused him to repeatedly arrive late for work and miss important project deadlines. His manager has warned him about his performance. Explain how Julian’s behavior demonstrates the 'failure to function adequately' definition of abnormality.
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Worked solution
1 mark for defining 'failure to function adequately' (the inability to cope with the demands of everyday life). 1 mark for applying this to Julian's daily routine (spending four hours washing/cleaning, causing him to be late). 1 mark for applying this to his occupational functioning (missing project deadlines and getting warned by his manager). 1 mark for identifying a relevant criterion of failure to function adequately (e.g., maladaptive behavior, personal distress, or violation of occupational standards) and linking it to Julian.
Marking scheme
4 marks: Detailed, accurate explanation of failure to function adequately, directly applying multiple features (e.g., occupational failure, maladaptive time consumption) to Julian's scenario. 3 marks: Clear explanation of the definition applied to Julian, but might focus only on one aspect without showing a broader understanding of everyday coping. 2 marks: Basic explanation of failure to function adequately with some attempt to apply it to Julian. 1 mark: Fragmented knowledge of the definition of abnormality with little or no application.
Question 8 · Short Answer
4 marks
Maya failed her driving test. She thinks, 'I am a complete failure at everything' (the self), 'the driving examiner hated me and everyone else is out to get me' (the world), and 'I will never be able to pass my test or get a job' (the future). Use Beck's negative triad to explain Maya's cognitive style.
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Worked solution
1 mark for outlining Beck's negative triad (negative views of the self, the world, and the future). 1 mark for explaining Maya's negative view of the self with reference to 'I am a complete failure'. 1 mark for explaining Maya's negative view of the world with reference to 'the examiner hated me/everyone is out to get me'. 1 mark for explaining Maya's negative view of the future with reference to 'I will never pass or get a job'.
Marking scheme
4 marks: Clear and structured explanation identifying all three components of Beck's negative triad and correctly linking each one to the corresponding thoughts from Maya's scenario. 3 marks: Identifies all three components and links two of them clearly. 2 marks: Identifies the triad but only applies one component correctly, or describes the triad generally. 1 mark: Identifies components of the cognitive approach but fails to describe or apply the triad correctly.
Question 9 · Short Answer
4 marks
Elena is revising for her biology exam. She is trying to remember a list of plant cell parts by repeating them over and over in her head. Her brother is playing loud music with lyrics in the same room, which makes it very difficult for her to remember the list. With reference to the working memory model, explain why Elena is finding it difficult to remember the list of plant cell parts.
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Worked solution
According to the Working Memory Model (WMM), both repeating a list of words in one's head (articulatory rehearsal process) and listening to spoken lyrics (phonological store) rely on the same slave system: the Phonological Loop. The Phonological Loop has a highly limited capacity. Because both tasks require phonological processing, they compete for these limited resources. This dual-task interference explains why Elena struggles to retain the plant cell parts while the music is playing.
Marking scheme
1 mark for identifying the relevant component of the Working Memory Model (the Phonological Loop / phonological store / articulatory control process). 1 mark for explaining that the Phonological Loop has a limited capacity. 1 mark for applying this to the scenario, noting that both repeating the cell parts and processing the music lyrics require phonological processing. 1 mark for concluding that this causes dual-task interference / competition for the same limited resources, leading to reduced performance.
Question 10 · Application
4 marks
In a local community, a small group of residents wants to start a community composting scheme. Initially, most residents are indifferent or against it. Over six months, the small group consistently campaigns, showing clear and logical arguments, and eventually, the majority of the town adopts the composting scheme. Explain how minority influence processes can lead to this social change, referring to the scenario in your answer.
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Worked solution
First, the minority group must show consistency. By campaigning regularly over six months with clear arguments, they demonstrate that they are confident and committed to the cause. This consistency causes the majority to experience cognitive conflict and think more deeply about the benefits of composting (deeper processing). Over time, more individuals convert to the minority's viewpoint. This triggers the snowball effect, where the pace of conversion accelerates until the composting scheme becomes the new majority norm.
Marking scheme
1 mark for identifying and applying consistency/commitment (e.g., campaigning regularly for six months with clear arguments). 1 mark for explaining how this leads to deeper processing / cognitive conflict in the majority. 1 mark for explaining the snowball effect (how the minority view gradually gathers momentum to become the majority). 1 mark for explicitly linking these processes to the scenario (transitioning from a small composting group to a town-wide scheme).
Question 11 · Short Answer
4 marks
Explain how a therapist would use systematic desensitization to treat Toby's phobia of dogs.
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Worked solution
First, the therapist and Toby would construct an anxiety hierarchy, which is a list of situations involving dogs ordered from least to most frightening (e.g., looking at a picture of a dog to holding a dog). Second, the therapist teaches Toby relaxation training techniques, such as deep breathing or progressive muscle relaxation. Third, the therapist uses gradual exposure. Toby is exposed to the lowest level of his hierarchy while practicing relaxation. Through reciprocal inhibition (the idea that one cannot be anxious and relaxed simultaneously), the fear response is replaced with calm. Toby only progresses up the hierarchy once he is completely relaxed at the current level.
Marking scheme
1 mark for explaining the creation of an anxiety hierarchy (ordered from least to most fearful situations involving dogs). 1 mark for explaining relaxation training/techniques (e.g., breathing, mental imagery). 1 mark for explaining the concept of reciprocal inhibition (replacing anxiety with relaxation because both cannot coexist). 1 mark for describing the gradual exposure process (moving up the hierarchy stage-by-stage only when relaxed).
Question 12 · Short Answer
4 marks
Describe how dispositional factors can explain obedience to authority.
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Worked solution
A key dispositional explanation for obedience is the Authoritarian Personality, as proposed by Adorno et al. Individuals with this personality style have an extreme respect for authority and are highly submissive to those they perceive as having superior social status. They also hold conventional, rigid cognitive beliefs and show hostility towards minority groups or those they view as inferior. This personality type is thought to develop in childhood due to strict, punitive parenting and conditional love, leading the child to displace their hostility onto weaker targets while remaining exceptionally obedient to authority figures.
Marking scheme
1 mark for identifying the Authoritarian Personality (and/or the F-scale/Adorno). 1 mark for describing characteristics of this personality type (e.g., blind obedience, rigid thinking, respect for power). 1 mark for explaining how the personality develops (e.g., strict/punitive parenting, conditional love). 1 mark for linking these traits directly to high obedience levels towards legitimate authority figures.
Question 13 · Extended Writing
21 marks
Describe and evaluate the working memory model of memory. (21 marks)
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Worked solution
AO1: The Working Memory Model (WMM), proposed by Baddeley and Hitch (1974), suggests that short-term memory (STM) is an active multi-component processor rather than a single unitary store. The model comprises four main components: 1. The Central Executive: The master controller that monitors and directs attention to other slave systems. It has a very limited processing capacity and can process information from any sensory modality. 2. The Phonological Loop: Deals with auditory/verbal information and preserves the order in which information arrives. It is subdivided into the phonological store ('inner ear', which holds words heard) and the articulatory process ('inner voice', used for sub-vocal rehearsal). Its capacity is about 2 seconds' worth of speech. 3. The Visuo-spatial Sketchpad: Stores and manipulates visual and spatial information ('inner eye'). Logie subdivided this into the visual cache (stores visual data like form and colour) and the inner scribe (records the arrangement of objects). 4. The Episodic Buffer: Added by Baddeley in 2000, it integrates information from the central executive, phonological loop, visuo-spatial sketchpad, and long-term memory into a coherent, chronological sequence, having a limited capacity of about four chunks. AO3: Evaluation points include: Strength - Clinical evidence from brain-damaged patient KF, who had poor auditory STM but normal visual STM, supporting the existence of separate verbal and visual stores. Strength - Dual-task performance studies (e.g., Baddeley et al.) demonstrate that participants struggle to perform two visual tasks simultaneously but can easily perform a visual and a verbal task together, showing that separate systems with limited capacities are at work. Limitation - The central executive is criticised for being the most important but least understood component. Psychologists argue that 'attention' is too vague and that it likely consists of separate sub-components. Limitation - Most evidence comes from artificial laboratory dual-task experiments which lack ecological validity, meaning the model may not fully reflect how memory works in complex, everyday situations.
Marking scheme
AO1 (9 marks): Award marks for accurate knowledge and description of the components of the working memory model (Central Executive, Phonological Loop, Visuo-spatial Sketchpad, Episodic Buffer). Max 9 marks. AO3 (12 marks): Award marks for critical evaluation of the model, including strengths (clinical evidence, dual-task studies) and limitations (concept of the central executive, ecological validity of lab experiments). Max 12 marks. Level 4 (16-21 marks): Detailed, highly accurate description of the model's components; thorough, well-structured, and analytical evaluation with appropriate use of psychological terminology. Level 3 (11-15 marks): Mostly accurate description of components; reasonable evaluation, though some points may lack depth or clarity. Level 2 (6-10 marks): Basic description of the model; limited or superficial evaluation with some inaccuracies. Level 1 (1-5 marks): Fragmented or highly limited description of the model; very little or no relevant evaluation.
Question 14 · Extended Writing
21 marks
Describe and evaluate research into the effects of situational variables on obedience. (21 marks)
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Worked solution
AO1: Milgram investigated several situational variables that influenced obedience levels in his variations of the baseline electric shock experiment. 1. Proximity: In the baseline study, the teacher and learner were in adjoining rooms. When they were placed in the same room, obedience fell from 65% to 40%. When the teacher had to force the learner's hand onto a shock plate (touch proximity), obedience dropped to 30%. When instructions were given over the telephone (remote instruction), obedience fell to 20.5%. 2. Location: The study was moved from the prestigious Yale University to a run-down office building. Obedience fell from 65% to 47.5%, indicating that the prestigious setting gave the experimenter more perceived legitimacy and authority. 3. Uniform: In the baseline study, the experimenter wore a grey lab coat as a symbol of authority. When the experimenter was called away and replaced by an 'ordinary member of the public' in everyday clothes, obedience fell to 20%, demonstrating that uniforms act as strong situational cues indicating authority. AO3: Evaluation points include: Strength - Research support from field experiments, such as Bickman (1974), who found that people were twice as likely to obey orders (e.g., picking up litter) from an actor dressed as a security guard than one dressed in jacket and tie or as a milkman, supporting Milgram's claim about uniform. Strength - High level of control over variables. Milgram systematically altered only one variable at a time while keeping all other procedures constant, establishing a strong cause-and-effect relationship between the situational variables and obedience levels. Limitation - Lack of internal validity. Orne and Holland argued that participants in the variations (especially the 'member of the public' uniform variation) were highly likely to have guessed that the situation was contrived, meaning they may have shown demand characteristics. Limitation - Ethical issues. Although variations had different obedience rates, they still subjected participants to high levels of psychological distress, raising serious ethical concerns about protection from harm.
Marking scheme
AO1 (9 marks): Award marks for accurate knowledge and description of Milgram's variations of situational variables (proximity, location, uniform) and their respective obedience percentages. Max 9 marks. AO3 (12 marks): Award marks for critical evaluation of the research, including research support (e.g., Bickman), methodological strengths (control of variables), and limitations (internal validity/demand characteristics, ethical issues, or cross-cultural comparisons). Max 12 marks. Level 4 (16-21 marks): Detailed, highly accurate description of situational variables and statistics; thorough, well-structured, and analytical evaluation with appropriate use of psychological terminology. Level 3 (11-15 marks): Mostly accurate description of variables; reasonable evaluation, though some points may lack depth or clarity. Level 2 (6-10 marks): Basic description of variations; limited or superficial evaluation with some inaccuracies. Level 1 (1-5 marks): Fragmented or highly limited description of situational variables; very little or no relevant evaluation.
Section Unit 2: Biopsychology, Development & RM1
Answer all questions in the spaces provided. Section A: Biopsychology, Section B: Cognitive Development, Section C: Research Methods 1.
20 Question · 90 marks
Question 1 · Short Answer
3 marks
Outline the function of the somatosensory cortex and identify where it is located in the brain.
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Worked solution
The somatosensory cortex processes somatic sensations from across the body. Location: parietal lobe (specifically the postcentral gyrus). Function: processes touch, pain, temperature, and proprioceptive details. Contralateral processing: represents the opposite side of the body.
Marking scheme
1 mark for stating the correct location (parietal lobe / postcentral gyrus). 1 mark for explaining its sensory processing function (receives and processes touch, temperature, pressure, or pain). 1 mark for detailing its contralateral representation (processes signals from the opposite side of the body) or its somatotopic organization.
Question 2 · Short Answer
3 marks
Describe the role of adrenaline in the fight-or-flight response.
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Worked solution
During a threat, the sympathetic nervous system stimulates the adrenal medulla to release adrenaline. Adrenaline acts on target organs to optimize the body for survival (fight or flight). Key changes include increased heart rate, dilated airways, and redirected blood flow to essential muscle groups.
Marking scheme
1 mark for identifying that adrenaline is released by the adrenal medulla as part of the sympathomedullary pathway (SAM). 1 mark for identifying at least two physiological effects (e.g., increased heart rate, dilated airways, pupil dilation). 1 mark for explaining how these changes prepare the organism for physical action / survival.
Question 3 · Short Answer
3 marks
Explain how axonal sprouting contributes to functional recovery of the brain after trauma.
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Worked solution
After brain injury, surviving neurons attempt to repair the network. Undamaged axons grow new branches (axonal sprouting) which hook up with remaining undamaged neurons. This creates alternative neural pathways to bypass damaged regions, enabling functional recovery of lost abilities.
Marking scheme
1 mark for defining axonal sprouting as the growth of new nerve endings/branches from undamaged neurons. 1 mark for explaining that these sprouts connect with adjacent, undamaged neurons to form/re-establish neural pathways. 1 mark for explaining the outcome: this allows the brain to restore or compensate for lost cognitive/motor functions.
Question 4 · Short Answer
3 marks
Distinguish between the terms 'assimilation' and 'accommodation' in Piaget's theory of cognitive development.
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Worked solution
According to Piaget, adaptation involves two processes: assimilation and accommodation. Assimilation is the cognitive process of fitting new information into existing cognitive schemas. Accommodation is the modification of existing schemas or creation of new ones when new information conflicts with existing cognitive structures.
Marking scheme
1 mark for explaining assimilation (fitting new information into an existing schema). 1 mark for explaining accommodation (modifying or creating a new schema to fit new information). 1 mark for clearly distinguishing between them (pointing out that assimilation maintains cognitive equilibrium by reusing existing structures, whereas accommodation occurs in response to cognitive disequilibrium and changes structures).
Question 5 · Short Answer
3 marks
Explain how a teacher could use Vygotsky's concept of 'scaffolding' to help a child learn to solve multi-digit subtraction.
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Worked solution
Scaffolding is a dynamic, supportive framework provided by an expert. In this context, the teacher acts as the More Knowledgeable Other (MKO) who breaks down the task of multi-digit subtraction. Initially, they offer extensive support, which is systematically reduced (faded) as the learner's competence increases, helping the learner transition through their Zone of Proximal Development (ZPD).
Marking scheme
1 mark for defining scaffolding as temporary, structured support provided by an expert/teacher that is gradually withdrawn as the learner gains independence. 1 mark for applying this to the scenario (e.g., starting with high support like physical aids/demonstrations and moving to lower support like verbal hints). 1 mark for explaining how this facilitates learning (e.g., guiding the child through their Zone of Proximal Development until they can perform the task independently).
Question 6 · Short Answer
3 marks
Outline what the Sally-Anne task measures and explain how it is used to assess cognitive development in children.
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Worked solution
The Sally-Anne task is designed to test a child's understanding of false belief, which is a key milestone in acquiring a Theory of Mind. The task tests whether a child can decouple physical reality (where the marble actually is) from another person's mental representation (where Sally believes it is). Children who pass show they can attribute a mental state to Sally that is different from their own.
Marking scheme
1 mark for stating that it measures theory of mind / the ability to attribute false beliefs to others. 1 mark for outlining the core procedure (Sally's item is moved to a new location in her absence). 1 mark for explaining the criteria for passing/assessing development (children who pass say Sally will look in the original location because they understand her perspective, whereas younger children or autistic children often say the new location).
Question 7 · Short Answer
3 marks
Explain one strength and one limitation of using a repeated measures design in psychological experiments.
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Worked solution
A repeated measures design involves testing the same participants under multiple experimental conditions. Strength: Reduced participant variables since each participant acts as their own control, which increases internal validity and statistical power. Limitation: Order effects (practice, boredom, or fatigue) can affect performance in subsequent conditions. Counterbalancing (AB/BA) is typically used to manage order effects.
Marking scheme
1 mark for identifying and explaining a strength (controls participant variables because the same people are tested under both conditions, or requires fewer participants). 1 mark for identifying a limitation (order effects like practice/boredom/fatigue, or demand characteristics as participants might guess the aim). 1 mark for elaborating on either point (e.g., explaining how order effects can be managed with counterbalancing, or explaining why participant variables are a problem in independent designs).
Question 8 · Short Answer
3 marks
A researcher wants to investigate academic stress in a secondary school with 800 pupils. Explain how the researcher could obtain a stratified sample of 40 pupils.
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Worked solution
Stratified sampling ensures subgroups (strata) of a population are represented proportionally in the sample. 1. Identify Strata: The school population can be divided by year groups (e.g., Years 7 through 11). 2. Calculate Proportions: Determine the percentage of the whole school population each year group represents and calculate how many of the 40 participants must come from each year group to maintain this proportion. 3. Select Randomly: Use a random method (e.g., lottery method or random number generator) to draw the specific number of pupils required from each year group.
Marking scheme
1 mark for identifying the relevant strata/subgroups (e.g., year groups, age, or gender). 1 mark for explaining how to calculate proportional representation (e.g., calculating percentage of school population for each stratum and ensuring the sample proportions mirror this). 1 mark for explaining how to select participants randomly within each stratum (e.g., using a random number generator or drawing names from a hat to select the final participants).
Question 9 · Short Answer
3 marks
Explain the process of reuptake and enzymatic degradation in synaptic transmission.
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Worked solution
Reuptake is the process where neurotransmitters that have been released into the synaptic cleft are actively reabsorbed back into the pre-synaptic neuron through transporter proteins, allowing them to be recycled. Enzymatic degradation involves specific enzymes (such as acetylcholinesterase) binding to neurotransmitters in the synaptic cleft and breaking them down into inactive components. Both processes clear the synaptic cleft to prevent continuous stimulation of the post-synaptic receptors.
Marking scheme
1 mark for explaining reuptake as the reabsorption of neurotransmitters back into the pre-synaptic neuron. 1 mark for explaining enzymatic degradation as the breakdown of neurotransmitters in the cleft by enzymes. 1 mark for explaining the purpose (e.g., to stop continuous stimulation of the post-synaptic neuron or to recycle neurotransmitter components).
Question 10 · Short Answer
3 marks
Describe the function and location of the motor cortex in the human brain.
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Worked solution
The motor cortex is located in the frontal lobe of the brain, specifically along the precentral gyrus in both hemispheres. Its main function is to generate neural impulses that control voluntary muscle movements. It is organised somatotopically, meaning different parts of the motor cortex correspond to and control different parts of the body contralaterally (the left hemisphere controls the right side of the body, and vice versa).
Marking scheme
1 mark for identifying the correct location (frontal lobe/precentral gyrus in both hemispheres). 1 mark for describing the main function (initiating/controlling voluntary muscle movements). 1 mark for elaboration, such as contralateral control (left hemisphere controls the right side of the body) or somatotopic organization.
Question 11 · Short Answer
3 marks
Describe how neuronal unmasking contributes to functional recovery of the brain after trauma.
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Worked solution
Neuronal unmasking is a mechanism of functional recovery where 'dormant' or 'silent' synapses (which have connections but are not normally active because their sensory input is too weak) are activated. When surrounding brain areas are damaged, these dormant synapses receive increased input, causing them to open up or 'unmask'. This establishes new or alternative pathways for neural signals, allowing lost functions to be recovered and taken over by adjacent areas of the brain.
Marking scheme
1 mark for defining dormant/silent synapses (inactive connections in the brain). 1 mark for explaining the activation trigger (damage to surrounding areas increases input/activation). 1 mark for explaining the outcome (creation of alternative neural pathways that take over/recover the lost function).
Question 12 · Short Answer
3 marks
Outline how Baillargeon used the violation of expectation (VOE) method to investigate infant understanding of the physical world.
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Worked solution
Baillargeon's violation of expectation (VOE) method begins by habituating infants to a physical event until they lose interest. In the test phase, they are shown two scenarios: a possible event (consistent with physical laws) and an impossible event (violates physical laws). Baillargeon measured the looking time of the infants; if they looked significantly longer at the impossible event, it suggested they were surprised because it violated their pre-existing expectations/understanding of how the physical world works.
Marking scheme
1 mark for outlining the habituation phase (showing a possible/expected physical event until the infant loses interest). 1 mark for describing the test phase (presenting a possible event and an impossible/violating event). 1 mark for describing the measurement/interpretation (longer looking time at the impossible event indicates surprise, demonstrating an understanding of physical laws/object permanence).
Question 13 · Short Answer
3 marks
Outline Selman's 'social-informational perspective-taking' stage (Stage 1) of development.
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Worked solution
In Selman's social-informational perspective-taking stage (Stage 1), which typically occurs in children aged 6 to 8 years, children realize that other people can have a different perspective from their own. They understand that this difference occurs because other people have access to different information. However, they are still limited because they believe that if everyone had access to the exact same information, they would all share the same thoughts and feelings.
Marking scheme
1 mark for identifying the age range (6 to 8 years). 1 mark for explaining the core understanding (children realize others have different perspectives because they have different information). 1 mark for explaining the limitation (children still believe that access to the same information would result in the same perspective).
Question 14 · Short Answer
3 marks
With reference to Vygotsky's theory of cognitive development, explain what is meant by 'scaffolding' and provide an example.
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Worked solution
Scaffolding refers to the temporary support, guidance, or framework provided by a More Knowledgeable Other (MKO), such as a parent or teacher, to help a learner perform a task within their Zone of Proximal Development (ZPD). As the learner's competence and confidence increase, this support is gradually withdrawn (faded) until they can complete the task independently. An example is a parent helping a child build a Lego set by first sorting the blocks by color and pointing out where to start, then slowly stepping back as the child takes over.
Marking scheme
1 mark for defining scaffolding as temporary support/guidance from a More Knowledgeable Other (MKO). 1 mark for explaining the dynamic nature of scaffolding (gradually withdrawn/faded as competence increases). 1 mark for providing a clear, relevant example of a supportive interaction.
Question 15 · Short Answer
3 marks
A researcher wants to investigate whether drinking caffeinated coffee improves memory recall. Explain how the researcher could operationalise both the independent variable (IV) and the dependent variable (DV) in this study.
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Worked solution
To operationalise the independent variable (IV), the researcher would define the specific conditions: for example, one group drinks 200ml of standard caffeinated coffee (containing 100mg of caffeine) and the control group drinks 200ml of decaffeinated coffee (containing 0mg of caffeine). To operationalise the dependent variable (DV), the researcher would define how memory is measured: for example, the number of words correctly recalled from a list of 20 unrelated words during a 5-minute memory test administered 30 minutes after drinking the coffee.
Marking scheme
1 mark for a clear, measurable operationalisation of the IV (e.g., specifying the dose of caffeinated coffee versus a control condition like decaffeinated coffee). 1 mark for a clear, measurable operationalisation of the DV (e.g., specifying how memory is measured, such as the number of words recalled from a list). 1 mark for ensuring both operationalisations are practical, realistic, and highly specific.
Question 16 · Short Answer
3 marks
In psychological research, explain why researchers might use deception, and outline how they can deal with this ethical issue.
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Worked solution
Researchers might use deception to prevent demand characteristics or participant reactivity. If participants know the true aim of the study, they may alter their behavior to please the researcher or act unnaturally, which would lower the internal validity of the study. To deal with this ethical issue, researchers must conduct a full debrief at the end of the study. During the debrief, the true aims and the reasons for the deception must be explained, and participants must be given the right to withdraw their data and retrospective informed consent.
Marking scheme
1 mark for explaining why deception is used (to avoid demand characteristics/participant expectancy effects and maintain internal validity). 1 mark for identifying debriefing as the primary solution (explaining the true aim after the study). 1 mark for explaining participant rights during/after debriefing (e.g., right to withdraw data retrospectively, offering support/counseling).
Question 17 · Short Answer
3 marks
Explain how an inhibitory neurotransmitter affects the likelihood of a postsynaptic neuron firing an action potential. (3 marks)
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Worked solution
When an inhibitory neurotransmitter binds to receptors on the postsynaptic membrane, it causes specific ion channels to open, leading to an influx of negative ions (or efflux of positive ions). This results in hyperpolarisation, which makes the inside of the postsynaptic neuron more negative relative to the outside. Because the membrane potential is now further below the threshold level required to trigger an electrical impulse, it becomes significantly less likely that the postsynaptic neuron will fire an action potential.
Marking scheme
Award up to 3 marks for a clear and coherent explanation: 1 mark for stating that inhibitory neurotransmitters cause hyperpolarisation (or make the postsynaptic membrane potential more negative). 1 mark for explaining that this hyperpolarisation moves the membrane potential further away from the excitation threshold required for firing. 1 mark for concluding that this reduces or decreases the likelihood of an action potential being fired.
Question 18 · Short Answer
3 marks
Leo is trying to build a complex Lego tower. He cannot complete it on his own, but with some helpful hints and encouragement from his older sister, he successfully finishes the tower. With reference to Leo, outline Vygotsky's concept of the 'zone of proximal development' (ZPD). (3 marks)
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Vygotsky's Zone of Proximal Development (ZPD) refers to the gap between a learner's current developmental level (what they can do independently) and their potential developmental level (what they can do with help from a More Knowledgeable Other). In this scenario, Leo's current independent limit is that he cannot build the complex Lego tower by himself. However, with the assistance/scaffolding of his older sister, who acts as the More Knowledgeable Other, he can reach his potential level and complete the tower. The range of tasks that Leo can only perform with this assistance defines his ZPD.
Marking scheme
Award up to 3 marks for outlining the concept with application: 1 mark for defining the Zone of Proximal Development (ZPD) as the difference/gap between what a child can do independently/unaided and what they can achieve with the guidance/assistance of a more knowledgeable other. 1 mark for applying the concept to Leo's independent ability, noting that building the Lego tower alone is currently beyond his independent reach (the lower boundary of the ZPD). 1 mark for applying the concept to the assisted ability, noting that with the older sister's help (hints/encouragement), he is able to succeed (representing the upper limit of what he can achieve within his ZPD).
Question 19 · Essay
18 marks
Discuss research into brain plasticity and functional recovery of the brain after trauma. (18 marks)
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### AO1 (6 Marks)
* **Brain Plasticity:** The brain's ability to adapt and change both functionally and physically as a result of experience, learning, or environmental changes. This involves synaptic pruning, where rarely used connections are deleted and frequently used ones are strengthened. * **Functional Recovery:** A form of plasticity that occurs following physical injury or other trauma (such as stroke). Unaffected areas of the brain adapt and compensate for damaged areas. * **Mechanisms of Recovery:** * *Axonal sprouting:* The growth of new nerve endings which connect with other undamaged nerve cells to form new neuronal pathways. * *Denervation supersensitivity:* Axons that do a similar job become aroused to a higher level to compensate for those that are lost. * *Recruitment of homologous areas:* Utilizing similar structures on the opposite hemisphere of the brain to perform specific tasks (e.g., if Broca's area on the left is damaged, the right-side equivalent may take over).
### AO3 (12 Marks)
* **Research Support for Plasticity:** Maguire et al. (2000) studied London taxi drivers and found significantly more grey matter in the posterior hippocampus (associated with spatial navigational skills) than in a control group. Draganski et al. (2006) imaged medical students' brains three months before and after exams, finding learning-induced changes in the posterior hippocampus and parietal cortex. * **Research Support for Functional Recovery:** Tajiri et al. (2013) found stem cells provided to rats with traumatic brain injury showed clear development of neuron-like cells in the area of damage, showing the brain's capacity for regeneration. * **Practical Application:** Understanding these processes has led to the development of neurorehabilitation. For example, constraint-induced movement therapy helps stroke patients regain motor functions by forcing the use of affected limbs, showing that understanding plasticity has real-world clinical benefits. * **Negative Plasticity:** The brain's ability to rewire is not always positive. Phantom limb syndrome (60-80% of amputees) is due to cortical reorganization in the somatosensory cortex, which causes pain sensations. Prolonged drug use can also lead to maladaptive plastic changes. * **Age and Gender Effects:** Functional recovery tends to reduce with age, as the young brain has greater capacity for reorganization (plasticity). However, Elbert et al. (2001) showed that adult brains still retain some capacity for reorganization. Gender differences may also exist; some research suggests females recover better from brain trauma as their brains are less lateralized.
Marking scheme
**AO1: 6 marks** * **6 marks:** Detailed and highly accurate knowledge of brain plasticity and mechanisms of functional recovery after trauma. Explanations are clear, coherent, and well-structured. * **4-5 marks:** Mostly accurate knowledge of plasticity and functional recovery. Some minor omissions or lack of detail in specific mechanisms (e.g., axonal sprouting). * **2-3 marks:** Limited knowledge of plasticity and/or functional recovery. The description may be superficial or lack clarity. * **1 mark:** Extremely basic or fragmented knowledge of brain recovery.
**AO3: 12 marks** * **10-12 marks:** Detailed and highly effective evaluation of research and theories. Points are fully developed, showing a clear connection to the essay prompt. Critical analysis is sophisticated (e.g., discussing methodological strengths/weaknesses of research like Maguire, practical applications in neurorehabilitation, or individual differences like age). * **7-9 marks:** Effective evaluation with clear arguments. Most evaluation points are developed, although one or two may lack depth or a clear conclusion. * **4-6 marks:** Basic evaluation. Points are made but are often simple or descriptive (e.g., just describing Maguire's study without explaining how it supports plasticity). May lack range. * **1-3 marks:** Very limited or weak evaluation. Statements are brief, tangential, or poorly argued.
Question 20 · Essay
18 marks
Discuss Vygotsky's socio-cultural theory of cognitive development. Refer to empirical research in your answer. (18 marks)
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### AO1 (6 Marks)
* **Socio-cultural Context:** Vygotsky argued that cognitive development is a social process facilitated by interaction with more knowledgeable others (MKOs). Culture determines what and how we learn. * **Elementary and Higher Mental Functions:** Infants are born with elementary mental functions (e.g., attention, sensation, perception, memory). Through social interaction, these are developed into higher mental functions (e.g., mathematical thinking, problem-solving). * **The Zone of Proximal Development (ZPD):** The distance between a child's current independent developmental level and their potential level of development achieved under guidance from an adult or peer. * **Scaffolding:** The temporary support framework provided by an MKO to help a child cross the ZPD. As the child becomes more competent, the scaffolding is gradually withdrawn. * **Role of Language:** Vygotsky saw language as an essential tool for thought. It transitions from external social speech to private speech (used for self-regulation) and finally to silent inner speech.
### AO3 (12 Marks)
* **Support for the ZPD:** McNaughton and Leyland (1990) observed young children working on puzzles of increasing difficulty with their mothers. Mothers adjusted their level of help based on the difficulty of the puzzle, offering more support when the puzzle was beyond the child's independent ability, validating the concept of ZPD and scaffolding. * **Support for Scaffolding:** Wood and Middleton (1975) observed mothers teaching 4-year-olds to build a 3D wooden toy. They identified different levels of scaffolding (e.g., general verbal prompts, specific instructions, demonstration) and found that successful mothers adjusted their help dynamically, supporting Vygotsky's theory. * **Practical Applications in Education:** Vygotsky's ideas have revolutionized classroom practices. Collaborative learning, peer tutoring, and reciprocal teaching are widely used. Teachers act as facilitators rather than simple lecturers, scaffolding learning within students' ZPDs. * **Comparison with Piaget:** Unlike Piaget, who viewed cognitive development as a series of universal, biologically-driven stages where children learn independently ('little scientists'), Vygotsky emphasized the cultural and social context ('apprentice' model). Piaget may have underestimated the role of social interaction, while Vygotsky may have underestimated the biological constraints on cognitive development. * **Cross-Cultural Evidence:** Research shows that cognitive development varies across cultures depending on the tools valued by that culture (e.g., Gredler, 1992, noted the Papua New Guinea counting system). This supports Vygotsky's view that cognitive development is culturally relative, whereas Piaget argued for universal stages.
Marking scheme
**AO1: 6 marks** * **6 marks:** Detailed and highly accurate knowledge of Vygotsky's socio-cultural theory (ZPD, scaffolding, elementary/higher mental functions, role of language). Explanations are clear and highly coherent. * **4-5 marks:** Mostly accurate knowledge of Vygotsky's theory. Key terms are defined, though some explanations (e.g., scaffolding stages or language transition) may lack full depth. * **2-3 marks:** Limited knowledge of the theory. The response may focus only on one or two concepts (e.g., ZPD) with little detail, or contain significant inaccuracies. * **1 mark:** Extremely basic or fragmented knowledge.
**AO3: 12 marks** * **10-12 marks:** Detailed and highly effective evaluation. Points are fully developed, with robust discussion of supporting empirical studies (e.g., Wood & Middleton, McNaughton & Leyland), comparisons to Piaget, and educational applications. High level of critical analysis and clarity of argument. * **7-9 marks:** Effective evaluation. Most evaluation points are well-developed, though the connection to research or theoretical comparison might lack full sophistication in parts. * **4-6 marks:** Basic evaluation. Evaluation points are presented but lack development (e.g., simply stating that research supports scaffolding without explaining the methodology/findings of the studies or how they validate the theory). * **1-3 marks:** Very limited or weak evaluation. Statements are superficial, heavily descriptive, or fail to engage with the core requirements of Vygotsky's theory.
Section Unit 3: Advanced Topics & RM2
Answer all questions in the spaces provided. Section A: Sleep, Section B: Schizophrenia, Section C: Research Methods 2.
18 Question · 88 marks
Question 1 · Short Answer
3.5 marks
Explain one difference in the sleep patterns of a newborn infant compared to an elderly adult.
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Worked solution
Newborns sleep about 16 hours a day, with approximately 50% of this time spent in REM sleep. In contrast, elderly adults sleep significantly less (around 6-7 hours) and spend only about 20% or less of their sleep in REM sleep, with a marked reduction in deep slow-wave sleep (stages 3 and 4) and more frequent awakenings (sleep fragmentation).
Marking scheme
1.5 marks for identifying and explaining a specific sleep pattern difference (e.g., total sleep duration or proportion of REM sleep). 2 marks for detail/elaboration of both stages (e.g., explaining why or describing the specific percentage/hours for both newborn and elderly).
Question 2 · Application
3.5 marks
Dr Aris is conducting an isolation study where participants live in a cave for four weeks with no natural light or clocks, but they can choose when to turn their artificial lamps on or off. With reference to Dr Aris's study, outline how endogenous pacemakers and exogenous zeitgebers interact to regulate the sleep-wake cycle under normal conditions, and what is likely to happen to the participants' sleep-wake cycles during the study.
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In normal conditions, the endogenous pacemaker (the suprachiasmatic nucleus or SCN) interacts with exogenous zeitgebers (such as daylight) to entrain the internal circadian rhythm to the external 24-hour day. Light is detected by the retina, sending signals to the SCN, which then regulates the pineal gland's secretion of melatonin. During Dr Aris's isolation study, the lack of natural light (exogenous zeitgeber) means the SCN is no longer entrained. Consequently, the participants' sleep-wake cycles will 'free-run'. Because the endogenous human sleep-wake cycle is naturally slightly longer than 24 hours (around 24.5-25 hours), their sleep and wake times will shift later and later each day.
Marking scheme
1.5 marks for outlining the normal interaction between endogenous pacemakers (SCN) and exogenous zeitgebers (light). 2 marks for applying this to the cave study to explain the 'free-running' cycle and the resulting shift/increase in cycle length beyond 24 hours.
Question 3 · Short Answer
3.5 marks
Briefly outline Horne and Lucey's (1985) distinction between 'core sleep' and 'optional sleep'.
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Worked solution
Horne and Lucey proposed that sleep can be divided into core sleep and optional sleep. Core sleep consists of NREM stages 3 and 4 (slow-wave sleep) and REM sleep. Its function is to restore the brain, specifically the cerebral cortex, to allow it to recover from daily cognitive demands. Optional sleep consists of NREM stages 1 and 2. Its function is not physiological restoration of the brain, but rather ecological/evolutionary—to conserve energy and keep the individual safe from predators when active behavior is inefficient.
Marking scheme
1.5 marks: Clearly defining core sleep (SWS/REM) and its primary restorative function for the brain/cerebral cortex. 2 marks: Clearly defining optional sleep (stages 1 and 2) and explaining its function (energy conservation/occupying unproductive hours).
Question 4 · Short Answer
3.5 marks
Briefly explain how hyperdopaminergia and hypodopaminergia are associated with different symptoms of schizophrenia.
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Worked solution
The dopamine hypothesis suggests that abnormal dopamine levels in different pathways of the brain are linked to specific symptoms: 1) Hyperdopaminergia (excessive dopamine activity) in the subcortical areas (specifically the mesolimbic pathway) is associated with positive symptoms of schizophrenia, such as auditory hallucinations and delusions. 2) Hypodopaminergia (deficient dopamine activity) in the prefrontal cortex (specifically the mesocortical pathway) is associated with negative symptoms, such as avolition, alogia, and flat affect.
Marking scheme
1.5 marks: Explaining hyperdopaminergia (high dopamine in subcortex/mesolimbic pathway) and linking it correctly to positive symptoms. 2 marks: Explaining hypodopaminergia (low dopamine in prefrontal cortex/mesocortical pathway) and linking it correctly to negative symptoms.
Question 5 · Application
3.5 marks
Arthur is diagnosed with schizophrenia. He believes that the television news anchor is speaking directly to him using a secret code (delusions of reference). When asked why he thinks this, Arthur says he cannot ignore the tiny movements of the anchor's fingers and feels they must have a special meaning specifically for him. Use Frith's cognitive theory of dysfunctional thought processing to explain Arthur's experience.
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According to Frith, schizophrenia involves a failure in the cognitive filtering system (or selective attention). Under normal conditions, our brain automatically filters out irrelevant environmental stimuli. In Arthur's case, this mechanism is dysfunctional, meaning he cannot ignore irrelevant stimuli like the minor movements of the anchor's fingers. Because his consciousness is flooded with this unfiltered information, he struggles to make sense of it and incorrectly attributes extreme personal significance (salience) to these movements, resulting in a delusion of reference.
Marking scheme
1.5 marks: Identifying and explaining the core cognitive deficit of dysfunctional filtering/attention or metarepresentation according to Frith. 2 marks: Directly applying this to Arthur's case, explaining why he fails to filter the finger movements and how this leads to the delusion of reference.
Question 6 · Short Answer
3.5 marks
Explain how family therapy aims to reduce relapse rates in individuals diagnosed with schizophrenia.
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Worked solution
Family therapy aims to improve communication and reduce stress within the home environment. A key target is lowering Expressed Emotion (EE), which includes criticism, hostility, and over-involvement, as high EE is heavily linked to relapse. By educating family members about the illness, teaching effective conflict resolution, and reducing emotional tension, the therapy provides a supportive environment that enhances the patient's well-being and improves adherence to medication regimens, ultimately reducing relapse rates.
Marking scheme
1.5 marks: Explaining the reduction of Expressed Emotion (EE) (hostility, criticism, emotional over-involvement) as a primary objective. 2 marks: Explaining how lowering EE and improving psychoeducation/communication reduces environmental stress and improves medication compliance, leading to decreased relapse.
Question 7 · Application
3.5 marks
A researcher wants to see if there is a difference in the number of hours of deep sleep (SWS) between a group of athletes (Group A) and a group of sedentary office workers (Group B). Sleep is measured using EEG over three consecutive nights. Identify the appropriate statistical test the researcher should use to analyse the data. Justify your choice with reference to three criteria.
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Worked solution
The correct parametric test is the unrelated (independent-measures) t-test. (Accept Mann-Whitney U test if parametric assumptions are not met). Justifications: 1. The study is looking for a difference in hours of deep sleep between two groups (not a correlation). 2. The experimental design is an independent groups (unrelated) design, as participants are either in the athlete group or the sedentary group. 3. The level of measurement is interval/ratio (hours of sleep is measured on a continuous scale). If Mann-Whitney U is chosen, the justification for data level is that it can analyze ordinal data, or that the sleep hours data is skewed/not normally distributed.
Marking scheme
0.5 marks: Correctly identifying the Unrelated t-test or Mann-Whitney U test. 1 mark: Justifying that the study tests for a difference (not correlation). 1 mark: Justifying that the design is independent groups (unrelated). 1 mark: Justifying based on the level of measurement (interval/ratio for t-test or ordinal/non-parametric for Mann-Whitney).
Question 8 · Short Answer
3.5 marks
Explain the purpose and typical content of an 'Abstract' in a journal article of a psychological investigation.
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The purpose of an abstract is to provide a brief, comprehensive summary of the entire research study. This allows other researchers to quickly scan the key elements of the investigation and determine if the full article is relevant to their own work. Typically, an abstract is between 150-250 words and contains a brief overview of: the aims or hypotheses of the study, the research methods used (including participants, design, and procedures), the primary results (including statistical findings), and the main conclusions and implications of the study.
Marking scheme
1.5 marks: Explaining the purpose of the abstract (to provide a rapid, concise summary of the research to help readers decide if they should read the full paper). 2 marks: Detailing the typical content that must be included (must mention at least three of: aims, methodology, results, conclusions/implications).
Question 9 · Short Answer
3.5 marks
Explain how an exogenous zeitgeber, such as light, interacts with the suprachiasmatic nucleus (SCN) to regulate the sleep-wake cycle.
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Worked solution
The process begins when photoreceptors in the retina detect light levels. This visual signal is transmitted via the retinohypothalamic tract to the suprachiasmatic nucleus (SCN). The SCN, acting as the master circadian pacemaker, regulates the activity of the pineal gland. In response to darkness, the pineal gland secretes melatonin, which induces sleep. In response to light, melatonin production is inhibited, facilitating arousal and wakefulness.
Marking scheme
1 mark for identifying the detection of light by retinal photoreceptors. 1 mark for explaining the transmission of signals via the retinohypothalamic tract to the SCN. 1 mark for explaining the role of the SCN in regulating the pineal gland and melatonin release. 0.5 marks for linking melatonin levels directly to sleepiness or wakefulness.
Question 10 · Application
3.5 marks
Amara is 17 years old and struggles to fall asleep before midnight, often feeling groggy when waking up for school at 7:00 am. Her grandfather, Arthur, falls asleep by 9:00 pm and wakes up naturally at 5:00 am. Using your knowledge of lifespan changes in sleep, explain why Amara and her grandfather have different sleep patterns.
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Worked solution
Amara's difficulty falling asleep early is due to a biological shift in adolescence known as phase delay, where melatonin secretion is delayed by several hours, keeping her awake later. Arthur's sleep pattern reflects phase advance, typical of older age, where the circadian rhythm shifts earlier, resulting in earlier melatonin release and early-morning awakening. Furthermore, older adults experience changes in sleep architecture, including a marked reduction in deep Stage 3 and 4 slow-wave sleep (SWS), which often leads to more frequent nighttime awakenings and earlier rising.
Marking scheme
1.5 marks for explaining Amara's adolescent sleep-wake cycle change (explicitly referencing phase delay and/or delayed melatonin release). 1.5 marks for explaining Arthur's age-related sleep-wake cycle change (referencing phase advance, earlier melatonin release, or changes in deep slow-wave sleep). 0.5 marks for explicitly contrasting the biological directions of these lifespan shifts (delay vs. advance).
Question 11 · Short Answer
3.5 marks
Outline the original dopamine hypothesis of schizophrenia and explain one limitation of this explanation.
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Worked solution
The original dopamine hypothesis suggested that excess dopamine activity (hyperdopaminergia) in subcortical brain pathways (e.g., the mesolimbic pathway) causes the positive symptoms of schizophrenia, such as delusions and hallucinations, due to overstimulation of D2 receptors. A key limitation is that it fails to account for negative symptoms and ignore other pathways. Modern formulations (like the revised dopamine hypothesis) indicate that low dopamine in the prefrontal cortex (mesocortical pathway) causes negative symptoms, and newer atypical antipsychotics work on serotonin as well as dopamine, demonstrating that dopamine alone is not the sole cause.
Marking scheme
1.5 marks for outlining the original hypothesis (must reference hyperdopaminergia/excess dopamine, subcortical/mesolimbic areas, or positive symptoms). 1.5 marks for explaining a clear, distinct limitation (such as the role of low dopamine/hypodopaminergia in negative symptoms, the involvement of other neurotransmitters like glutamate, or the treatment-resistance of some patients to dopamine-blocking drugs). 0.5 marks for using clear psychological terminology.
Question 12 · Application
3.5 marks
Toby is recovering from schizophrenia. He lives with his parents, who frequently criticise his behaviour, argue loudly in front of him, and overprotect him by strictly controlling his daily schedule. Identify the family variable described in this scenario and explain how it might influence Toby's recovery.
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Worked solution
The family variable in this scenario is High Expressed Emotion (EE). Toby's parents exhibit critical comments (criticising his behaviour), hostility (loud arguments), and emotional over-involvement (strictly controlling his schedule). Living in a high-EE environment causes significant chronic stress for Toby, who already has reduced stress-coping thresholds due to his condition. This stress triggers biological vulnerability, leading to a much higher rate of relapse and symptom re-emergence compared to patients in low-EE families.
Marking scheme
1 mark for identifying the family variable as Expressed Emotion (or High Expressed Emotion). 1 mark for linking elements of the scenario to specific elements of EE (criticism, hostility, and emotional over-involvement). 1.5 marks for explaining how this environment affects Toby's recovery (increased stress, exceeding coping thresholds, and leading directly to elevated relapse rates).
Question 13 · Application
3.5 marks
A clinical psychologist investigates whether there is a significant difference in sleep duration (measured in minutes) between a group of participants who practiced mindfulness meditation before bed and a different group who read a book. The data is normally distributed with similar variances. Identify the most appropriate statistical test for this study and justify your choice with reference to the scenario.
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Worked solution
The correct test is the unrelated t-test (independent t-test). The justification is as follows: Firstly, the researcher is testing for a difference in sleep duration between two conditions. Secondly, the experimental design is independent groups (unrelated) because the study compares 'a group' of mindfulness practitioners against 'a different group' of book readers. Thirdly, the data meets the requirements for a parametric test because sleep duration measured in minutes is interval level data, and the question states the data is normally distributed with similar variances.
Marking scheme
1 mark for identifying the 'unrelated t-test' (or 'independent t-test'). 2.5 marks for the justification: 0.5 marks for stating it is a test of difference; 1 mark for explaining it is an independent/unrelated groups design (linking to different groups in the scenario); 1 mark for explaining it meets parametric criteria (linking interval data/minutes of sleep and normal distribution).
Question 14 · Short Answer
3.5 marks
A researcher sets their significance level at \(p < 0.01\) instead of the conventional \(p < 0.05\). Explain the effect this decision has on the probability of committing a Type I error and a Type II error.
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Worked solution
Lowering the significance level to \(p < 0.01\) means there is only a 1% or less probability that the results occurred by chance, making the test more stringent. Consequently, the probability of making a Type I error (rejecting the null hypothesis when it is true, i.e., finding an effect that isn't really there) decreases. Conversely, the probability of making a Type II error (accepting/retaining the null hypothesis when it is false, i.e., failing to detect a genuine experimental effect) increases, because a real effect might not meet this highly stringent 1% threshold.
Marking scheme
1.5 marks for explaining the effect on a Type I error (probability decreases because the threshold to reject the null hypothesis is stricter/more conservative). 1.5 marks for explaining the effect on a Type II error (probability increases because real effects are more likely to be missed/not reach the stricter significance level). 0.5 marks for demonstrating clear conceptual understanding of what the change in alpha level represents.
Question 15 · Short Answer
3.5 marks
A psychologist collected transcripts from semi-structured interviews with ten patients recovering from schizophrenia to understand their experiences of community care. Outline the steps the psychologist should take to conduct a thematic analysis on this qualitative data.
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Worked solution
To conduct a thematic analysis, the psychologist should: 1) Familiarise themselves with the qualitative data by repeatedly reading the interview transcripts and taking initial notes. 2) Generate initial codes by systematically labelling meaningful phrases or segments of text related to community care experiences. 3) Search for themes by clustering similar codes together into broader patterns of meaning. 4) Review and define the themes, checking them against the entire dataset to ensure validity, and naming them clearly before writing up the analysis.
Marking scheme
1 mark for explaining the familiarisation step (reading and re-reading the transcripts). 1 mark for explaining the coding step (labelling meaningful segments of text). 1 mark for explaining the process of identifying and clustering codes into themes. 0.5 marks for describing the final stage of reviewing, defining, and naming the themes.
Question 16 · Short Answer
3.5 marks
Describe how the interactionist approach (diathesis-stress model) explains the onset of schizophrenia, making reference to both historical and modern views of the model.
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Worked solution
The diathesis-stress model explains schizophrenia as the result of an interaction between an underlying vulnerability (diathesis) and an external trigger (stress). Neither factor alone is sufficient to cause the disorder. Historically (e.g., Meehl's model), the diathesis was seen as entirely genetic (a single gene causing a schizotypic personality), and the stressor was strictly psychological (e.g., a schizophrenogenic mother). The modern view is more holistic: the diathesis can be genetic (polygenic) or biological trauma (e.g., birth complications affecting brain development), and the stressor can be physical/chemical (e.g., cannabis abuse, which increases the risk of schizophrenia by up to four times) or social/psychological stress.
Marking scheme
1 mark for explaining the core concept of interaction between vulnerability (diathesis) and trigger (stress). 1 mark for outlining the historical model (e.g., Meehl's single gene and family stressor). 1 mark for outlining the modern model (e.g., polygenic diathesis, early neurodevelopmental damage, and diverse stressors like cannabis use). 0.5 marks for explicitly highlighting how the definition of diathesis and/or stress has expanded over time.
Question 17 · essay
16 marks
Discuss restoration theories of the function of sleep.
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Worked solution
AO1: Restoration theories of sleep propose that the primary function of sleep is to repair and restore the body and mind after daily wear and tear. Oswald (1966) argued that Slow-Wave Sleep (SWS, Stages 3 and 4) is essential for physical restoration, facilitating protein synthesis, tissue repair, and the release of growth hormones. Conversely, Oswald proposed that REM sleep is crucial for brain restoration, allowing neural repair and consolidation of memories. Horne (1988) modified this view, distinguishing between 'core sleep' (SWS and REM sleep), which is essential for brain restoration, and 'optional sleep' (Stages 1 and 2), which serves an evolutionary energy-conserving function. According to Horne, the body can restore itself during wakeful rest, but the brain specifically requires core sleep to recover.
AO3: Evaluation points include: - Supporting evidence for Oswald's theory: Growth hormone is predominantly released during SWS, and physical injuries or strenuous exercise sometimes lead to a small increase in SWS duration, supporting the physical repair hypothesis. - Contradictory evidence: Extreme physical exertion does not consistently result in a significant increase in sleep duration, which contradicts Oswald's assertion that SWS must increase proportionally with physical damage. - Support for brain restoration: Sleep deprivation studies (e.g., Peter Tripp, Randy Gardner) show severe cognitive impairments, mood fluctuations, and hallucinations, indicating that sleep (particularly REM) is vital for cognitive and neurological function. - Methodological limitations of sleep deprivation studies: Many deprivation studies suffer from confounding variables such as stress, which may cause cognitive decline rather than the sleep loss itself. - Evaluation of Horne's theory: Horne found that sleep-deprived individuals recover mostly their core sleep (SWS and REM) rather than total sleep time, supporting the core vs. optional sleep distinction. - Comparison with evolutionary/ecological theories: Evolutionary theories (e.g., Webb, Meddis) argue sleep is for survival and energy conservation, suggesting restoration is not the sole function. An interactionist view integrating both theories provides a more complete explanation.
Marking scheme
Level 4 (13-16 marks): Knowledge of restoration theories is accurate and extremely detailed. Evaluation is thorough, balanced, and demonstrates excellent critical analysis. Clear, coherent structure with effective psychological terminology.
Level 3 (9-12 marks): Knowledge is mostly accurate with some detail. Evaluation is clear with some effective arguments, though may lack depth in some areas. Structure is logical and terminology is mostly appropriate.
Level 2 (5-8 marks): Basic knowledge of restoration theories is present, but lacks detail or depth. Evaluation is limited, superficial, or mainly descriptive. Structure and terminology may be weak.
Level 1 (1-4 marks): Very limited or fragmented knowledge of sleep functions. Little to no effective evaluation. Answer lacks structure and uses minimal psychological terminology.
Mark breakdown: - AO1 (6 marks): Description of Oswald's and/or Horne's theories, mechanisms of SWS and REM. - AO3 (10 marks): Synthesis, analysis, and evaluation of the theories including evidence, comparisons, and methodological critique.
Question 18 · essay
16 marks
Discuss psychological explanations for schizophrenia. Refer to both family dysfunction and cognitive explanations in your answer.
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Worked solution
AO1: Psychological explanations focus on environmental and cognitive factors. 1. Family Dysfunction: This approach blames abnormal family communication and relationships. The 'schizophrenogenic mother' (Fromm-Reichmann) is cold, rejecting, and controlling, leading to distrust and paranoia. Gregory Bateson's Double-Bind Theory suggests children receive contradictory messages from parents, leaving them in a 'no-win' situation that disrupts their grasp of reality, leading to disorganized thinking and paranoia. Expressed Emotion (EE) refers to high levels of criticism, hostility, and emotional over-involvement from caregivers, which acts as a powerful stressor and is primarily linked to relapse. 2. Cognitive Explanations: These focus on dysfunctional thought processing. Frith (1992) identified two main types: metarepresentation dysfunction (the inability to reflect on one's own thoughts and behaviors, leading to hallucinations as thoughts are attributed to external voices) and central control dysfunction (the inability to suppress automatic responses, leading to disorganized speech and derailment).
AO3: Evaluation points include: - Strengths: Supporting empirical evidence. Stirling et al. (2006) compared schizophrenia patients with controls on the Stroop Test and found patients took twice as long, supporting Frith's theory of central control dysfunction. Read et al. (2005) reviewed studies and found that a very high percentage of adult schizophrenia patients had a history of physical/sexual abuse in childhood, supporting family-based vulnerability. - Limitations: Cause and effect issues. It is difficult to establish whether family dysfunction or cognitive deficits cause schizophrenia, or are a consequence of living with someone who has the disorder. - Methodological weaknesses: Much of the evidence for family dysfunction relies on retrospective self-reports by patients, which may be distorted by cognitive decline or delusional thinking, undermining validity. - Alternative/Interactionist view: Psychological explanations can be seen as reductionist if they ignore biological factors (such as dopamine excess or genetic predisposition). The Diathesis-Stress model provides a better account, suggesting a biological vulnerability (diathesis) is triggered by psychological stressors like family dysfunction (stress).
Marking scheme
Level 4 (13-16 marks): Accurate and detailed knowledge of both family dysfunction and cognitive explanations. Highly effective evaluation of both explanations with strong, well-reasoned arguments. Structure is clear, logical, and uses precise psychological vocabulary.
Level 3 (9-12 marks): Good knowledge of both explanations, though one may be detailed more than the other. Evaluation is sound, with clear points made, though some lack full development. Structure is mostly coherent.
Level 2 (5-8 marks): Some knowledge of psychological explanations, but may focus heavily on only one, or both are described with limited detail. Evaluation is basic, superficial, or descriptive.
Level 1 (1-4 marks): Fragmented and weak understanding of psychological explanations. Minimal or no evaluation present. Poor structure and vocabulary.
Mark breakdown: - AO1 (6 marks): Accurate explanation of family dysfunction (double-bind, EE) and cognitive deficits (metarepresentation, central control). - AO3 (10 marks): Critical evaluation, research support, methodological issues, and alternative approaches (e.g., biological/interactionist).
Section Unit 4: Approaches & Application
Answer all questions in the spaces provided. Section A: Approaches, Section B: Issues and Debates, Section C: Work and the Individual.
13 Question · 89.5 marks
Question 1 · Short Answer
4.5 marks
Explain one difference between the cognitive approach and the biological approach in psychology. Use an example to support your answer.
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Worked solution
The cognitive approach views the human mind as an information processor, similar to a computer, and studies internal mental processes such as attention, language, and memory through inferences. In contrast, the biological approach argues that all behaviour has a physiological basis, focusing on genetics, brain structures, and neurotransmitters. An example is the explanation of mental illnesses like OCD: the cognitive approach explains it through obsessive thoughts and cognitive biases, while the biological approach explains it through candidate genes (e.g., SERT gene) and abnormal activity in the orbitofrontal cortex.
Marking scheme
Up to 2.5 marks for explaining the core difference between the cognitive and biological approaches (e.g., mental processes/models vs. physical structures/neurochemistry). Up to 2 marks for providing a relevant, clear example that illustrates this difference in action (e.g., explaining a disorder like depression or memory processes).
Question 2 · Short Answer
4.5 marks
Briefly explain how cultural bias can affect psychological research. Illustrate your answer with reference to an emic or etic construct.
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Worked solution
Cultural bias in psychological research can lead to ethnocentrism, where one's own culture is taken as the norm and others are judged as deviant or inferior. This often happens through an 'imposed etic'—taking a theory developed in one culture (such as Ainsworth's Strange Situation in the US) and applying it globally, leading to incorrect assumptions about attachment security in other cultures (such as Germany or Japan). An emic approach, by contrast, seeks to understand behaviors from within the specific culture, preventing bias by avoiding universal claims based on localized findings.
Marking scheme
Up to 2.5 marks for explaining how cultural bias occurs and affects research (e.g., generalization of Western findings, ethnocentrism). Up to 2 marks for clearly illustrating this using an emic or etic construct (e.g., explaining an imposed etic with Ainsworth's research or an emic construct with culture-specific behaviors).
Question 3 · Short Answer
4.5 marks
Explain the concept of 'job characteristics theory' in relation to work design, specifically focusing on how 'autonomy' and 'feedback' influence critical psychological states.
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Worked solution
According to Hackman and Oldham's Job Characteristics Model, work design should incorporate core job dimensions to foster positive psychological states. Autonomy is the degree of freedom, independence, and discretion an employee has in scheduling work and determining procedures. This directly influences the critical psychological state of 'experienced responsibility for outcomes of the work'. Feedback is the degree to which carrying out work activities results in direct and clear information about effectiveness. This directly influences the critical psychological state of 'knowledge of the actual results of the work activities'.
Marking scheme
Up to 2.5 marks for explaining the role of autonomy and feedback within the job characteristics theory (e.g., defining both core dimensions and how they are structured). Up to 2 marks for explicitly linking autonomy and feedback to their corresponding critical psychological states (experienced responsibility and knowledge of results).
Question 4 · Short Answer
4.5 marks
A researcher is investigating the role of schema in memory. Describe how the cognitive approach uses theoretical and computer models to explain mental processes, and outline one limitation of this reliance on models.
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Worked solution
Theoretical models in cognitive psychology are pictorial representations of mental processes, showing information flowing through a sequence of stages (e.g., input, processing, output), such as the working memory model. Computer models involve programming computers to mimic human cognitive processes to test theories. A key limitation is machine reductionism; computers do not have feelings, anxiety, or biological drives, which significantly affect human memory and decision-making, meaning these models lack ecological validity and comprehensive explanatory power.
Marking scheme
Up to 2.5 marks for describing theoretical and computer models (e.g., explaining flowcharts, information processing, and the computer analogy). Up to 2 marks for outlining one valid limitation of relying on these models (e.g., machine reductionism, ignoring emotions, or lack of external validity).
Question 5 · Short Answer
4.5 marks
Contrast biological determinism with environmental determinism. Use relevant psychological concepts or theories to illustrate both types of determinism.
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Worked solution
Biological determinism posits that behavior is caused by physiological, genetic, and evolutionary factors beyond our conscious control. For example, high levels of dopamine or genetic inheritance (e.g., COMT gene) are argued to determine OCD or schizophrenia. Environmental determinism argues that behavior is determined by external conditioning, reinforcement, and learning history. For example, the two-process model of phobias suggests phobias are acquired through classical conditioning and maintained through operant conditioning, showing our behavior is a product of our environment.
Marking scheme
Up to 2.5 marks for contrasting biological determinism (internal biological causes) with environmental determinism (external environmental causes). Up to 2 marks for illustrating both types of determinism with appropriate psychological concepts or theories (e.g., neurotransmitters/genetics vs. conditioning/reinforcement).
Question 6 · Short Answer
4.5 marks
Discuss the concept of 'person-environment fit' (P-E fit) in the workplace. Explain how a mismatch in P-E fit can affect both employee well-being and organizational productivity.
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P-E fit is defined as the degree of congruence between an individual's personal attributes (such as personality, values, skills, and goals) and the characteristics of their work environment (including job requirements, organizational culture, and team dynamics). It is divided into Person-Job (P-J) fit and Person-Organisation (P-O) fit. When there is a mismatch, employee well-being suffers because the chronic stress of trying to adapt leads to emotional exhaustion, psychological distress, and job dissatisfaction. Organizational productivity declines because the disengaged or stressed workforce shows higher rates of absenteeism, presenteeism, poorer task performance, and increased turnover, which disrupts workflow and raises recruitment costs.
Marking scheme
Up to 2.5 marks for discussing the concept of Person-Environment (P-E) fit (including definitions of P-J and/or P-O fit). Up to 2 marks for explaining how a mismatch affects both employee well-being (stress, burnout) and organizational productivity (turnover, absenteeism, performance).
Question 7 · Short Answer
4.5 marks
Identify and explain two features of the psychodynamic approach that distinguish it from the behaviourist approach to understanding human behaviour.
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Worked solution
The two main features are: 1. The role of the unconscious mind: The psychodynamic approach (Freud) argues that human behavior is driven by unconscious conflicts, impulses, and defense mechanisms (like repression). In contrast, the behaviourist approach (Skinner, Watson) completely rejects the study of internal mental states, focusing only on observable behaviors that can be objectively measured. 2. Determinants of development/behavior: The psychodynamic approach places intense emphasis on early childhood experiences and psychosexual stages (oral, anal, phallic) in shaping adult personality. The behaviourist approach, however, explains behavior as a continuous process of learning through environmental conditioning (classical and operant) that can change at any point in life, without developmental stages.
Marking scheme
Up to 2.5 marks for identifying and explaining the first distinguishing feature (e.g., unconscious mind vs. observable behavior). Up to 2 marks for identifying and explaining the second distinguishing feature (e.g., early childhood psychosexual stages vs. ongoing environmental conditioning).
Question 8 · Short Answer
4.5 marks
Explain what is meant by 'nature-nurture interactionism' in psychology. Use the diathesis-stress model of schizophrenia to support your explanation.
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Worked solution
Interactionism is an approach to psychology that argues that nature and nurture do not act independently, but rather interact to produce behavior. It suggests that biological predisposition (nature) and environmental influences (nurture) work together. This is perfectly exemplified by the diathesis-stress model of schizophrenia. According to this model, an individual may have a genetic predisposition (diathesis) to develop schizophrenia, such as having multiple candidate genes. However, this biological vulnerability will only manifest as the disorder if the person is exposed to environmental triggers (stress), such as early life trauma, dysfunctional family communication, or heavy cannabis use. Without the environmental stressor, the genetic predisposition may remain dormant, showing how both nature and nurture are necessary to explain the onset.
Marking scheme
Up to 2.5 marks for explaining the concept of nature-nurture interactionism (how the two forces combine rather than compete). Up to 2 marks for explaining how the diathesis-stress model of schizophrenia demonstrates interactionism (identifying the diathesis as nature/biology and the stress as nurture/environment, and explaining their combined effect).
Question 9 · Objective & Short Answer
4.5 marks
A psychologist is discussing how people develop a fear of public speaking. A biological psychologist explains this fear in terms of evolutionary survival value and genetic predisposition, whereas a cognitive psychologist explains it in terms of schema-driven faulty information processing. With reference to the scenario, explain one similarity and one difference between the biological approach and the cognitive approach.
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Worked solution
Similarity: Both the biological and cognitive approaches are highly scientific and rely on empirical testing to draw conclusions. For example, a biological psychologist might use objective physiological measures like heart rate or cortisol levels during public speaking, while a cognitive psychologist might use controlled experimental tasks to measure bias in memory or attention when people are presented with public speaking scenarios. Both believe that human behavior is determined by knowable factors and can be studied objectively and systematically. Difference: A key difference lies in what they focus on as the primary cause of behavior. The biological approach focuses on physical, material structures and processes, such as genetic predisposition or evolutionary survival adaptation (e.g., fear as an innate fight-or-flight trigger). In contrast, the cognitive approach focuses on internal, non-physical mental processes, comparing the human mind to a computer processor. It explains the fear of public speaking through cognitive distortions, irrational schemas, or faulty information processing (e.g., misinterpreting audience silence as negative feedback).
Marking scheme
Similarity (2 marks): 1 mark for identifying and explaining a valid similarity between the biological and cognitive approaches (e.g., both are scientific, deterministic, or use controlled studies). 1 mark for clear application of this similarity to the scenario or study of public speaking fear. Difference (2 marks): 1 mark for identifying and explaining a valid difference (e.g., physical vs. mental focus, nature vs. interactionist view of cognitive schemas). 1 mark for clear application of this difference to the scenario (e.g., contrasting evolutionary/genetic mechanisms with internal schemas/faulty processing of public speaking situations). Clarity and Structure (0.5 marks): 0.5 marks for a logical, well-structured answer using appropriate psychological terminology.
Question 10 · Objective & Short Answer
4.5 marks
Dr. Lin is studying job satisfaction in a large retail company. She conducts in-depth, semi-structured interviews with 5 employees to understand their unique personal experiences and feelings about their work. In contrast, Dr. Patel designs a standardized questionnaire containing closed questions about job satisfaction, which is completed by 500 employees, to establish general rules of workplace motivation. Identify which researcher is using an idiographic approach and which is using a nomothetic approach. Explain one strength of Dr. Lin’s approach and one strength of Dr. Patel’s approach in the context of this study.
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Identification: Dr. Lin is using an idiographic approach because she focuses on the unique, subjective experiences of a small number of individual employees (n = 5) through qualitative, semi-structured interviews. Dr. Patel is using a nomothetic approach because he seeks to establish general laws or principles of motivation across a large sample (n = 500) using quantitative, standardized measures. Strength of Dr. Lin's (Idiographic) Approach: By conducting semi-structured interviews, Dr. Lin can uncover rich, deep qualitative detail about why employees feel satisfied or dissatisfied. This allows for a holistic understanding of the individual worker's perspective, which might reveal complex personal factors (e.g., specific interactions with supervisors) that a standardized questionnaire would overlook. Strength of Dr. Patel's (Nomothetic) Approach: By utilizing a standardized questionnaire with 500 employees, Dr. Patel's study has high statistical power, making the findings far more generalizable to the wider workforce of the retail company. The data can be easily quantified, statistically analyzed, and used by management to establish broad, evidence-based policies on workplace motivation.
Marking scheme
Identification (1 mark): 0.5 marks for identifying Dr. Lin's approach as idiographic and 0.5 marks for identifying Dr. Patel's approach as nomothetic. Strength of Dr. Lin's approach (1.5 marks): 1 mark for explaining a clear strength of the idiographic approach (e.g., depth of qualitative data, subjective insight, challenging general laws) and 0.5 marks for applying this strength to the scenario (e.g., understanding the unique feelings/experiences of retail employees). Strength of Dr. Patel's approach (1.5 marks): 1 mark for explaining a clear strength of the nomothetic approach (e.g., generalizability, quantitative analysis, establishing general laws of behavior) and 0.5 marks for applying this strength to the scenario (e.g., establishing general rules of motivation across the 500 retail employees). Clarity and Application (0.5 marks): 0.5 marks for a clear, well-structured comparison that remains grounded in the workplace scenario.
Question 11 · Objective & Short Answer
4.5 marks
An IT company introduces a bonus scheme where employees receive a payout if they write 100 lines of bug-free code per hour. However, the programmers feel that this target is impossible to achieve. They also do not believe the company will actually pay out the bonuses due to previous broken promises. Even though they highly value the extra money, they remain completely unmotivated. Using Vroom's Expectancy Theory, explain why the programmers are unmotivated despite valuing the monetary bonus. Refer to all three key components of the theory in your answer.
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Worked solution
Vroom's Expectancy Theory proposes that motivation (Motivational Force) is a multiplicative function of three cognitive components: Expectancy (E), Instrumentality (I), and Valence (V). The formula is represented as: \(\text{Motivational Force} = \text{Expectancy} \times \text{Instrumentality} \times \text{Valence}\). 1. Expectancy (Effort-Performance link): This is the belief that putting in effort will lead to successful performance. In this scenario, the programmers feel the target of writing '100 lines of bug-free code per hour' is physically and technically impossible. Therefore, their Expectancy is extremely low or zero (no amount of effort will achieve the target). 2. Instrumentality (Performance-Reward link): This is the belief that successful performance will actually lead to the promised reward or outcome. Because of the company’s 'previous broken promises', the programmers do not trust management. Thus, Instrumentality is extremely low or zero (they believe even if they achieve the performance, they will not receive the payout). 3. Valence (Value of the Reward): This is the personal value or attractiveness of the outcome. Here, valence is high because the programmers 'highly value the extra money.' Because the relationship between these variables is multiplicative, if any single component (such as Expectancy or Instrumentality) is zero, the overall Motivational Force will also be zero. This explains why the programmers are completely unmotivated despite the high valence of the reward.
Marking scheme
Expectancy component (1.5 marks): 0.5 marks for defining Expectancy (belief that effort leads to performance / E-P expectancy). 1 mark for applying it to the scenario (programmers viewing the 100 lines of bug-free code per hour as an impossible target, leading to low/zero expectancy). Instrumentality component (1.5 marks): 0.5 marks for defining Instrumentality (belief that performance leads to the outcome/reward / P-O instrumentality). 1 mark for applying it to the scenario (lack of trust in the company actually paying out the bonus due to previous broken promises, leading to low/zero instrumentality). Valence and Multiplicative Relationship (1.5 marks): 0.5 marks for defining Valence (the value or attractiveness of the reward) and noting it is high because they value the money. 1 mark for explaining the multiplicative nature of the formula (\(MF = E \times I \times V\)), detailing that because E and I are near zero, the overall motivational force is zero despite high valence.
Question 12 · Extended Essay
20 marks
Discuss the holism versus reductionism debate in psychology. Refer to at least two different approaches in psychology in your answer.
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Worked solution
AO1: Holism is the theory that human behavior should be analyzed as a whole integrated experience, rather than as separate parts. Gestalt psychology and the Humanistic approach argue that 'the whole is greater than the sum of its parts' and that focusing on individual sub-components loses the essence of conscious experience. Reductionism is the view that complex human behavior can be explained by breaking it down into simpler, smaller constituent parts. Levels of explanation range from highest (socio-cultural explanations) to middle (psychological explanations) to lowest (neurochemical or biological explanations). Biological reductionism reduces behavior to genetic, neurochemical, or evolutionary mechanisms (as seen in the Biological approach). Environmental (stimulus-response) reductionism reduces behavior to simple learned associations of stimulus and response (as seen in the Behaviorist approach). AO3: Scientific Credibility: Reductionist approaches are highly scientific. By breaking behavior down into measurable variables, researchers can conduct controlled experiments, establish cause-and-effect relationships, and collect empirical evidence. For example, biological reductionism has enabled the development of highly effective drug therapies (such as SSRIs for OCD). Oversimplification: Conversely, reductionism is criticized for oversimplifying complex human behaviors. Explaining depression solely as a chemical imbalance ignores the social and cognitive factors (e.g., negative schemas) that contribute to the disorder, thereby reducing the validity of the explanation. Value of Holism: Holistic approaches, such as Humanistic psychology, provide a more complete and valid picture of human behavior, acknowledging subjective experience and individual agency. This has led to client-centered therapies that address the whole person rather than just managing symptoms. Scientific limitations of Holism: Holistic theories are notoriously difficult to test empirically. They cannot be easily operationalized, making it hard to gather scientific support or establish clear predictive laws of behavior. Synthesis: An interactionist approach, such as the diathesis-stress model, successfully bridges the debate by acknowledging both biological vulnerability (reductionist) and environmental triggers (holistic), providing a superior framework for understanding psychopathology.
Marking scheme
Level 4 (16-20 marks): Knowledge of holism, reductionism, levels of explanation, and at least two approaches is accurate and detailed. Evaluation is thorough, balanced, and demonstrates excellent critical thinking. The answer is well-structured and uses psychology-specific terminology effectively. Level 3 (11-15 marks): Knowledge is mostly accurate and shows good understanding. Evaluation is present and clear, though it may lack some depth. Mostly well-structured with appropriate terminology. Level 2 (6-10 marks): Some knowledge is demonstrated, but there may be inaccuracies or omissions. Evaluation is limited, superficial, or lacks focus on the actual debate. Structure is weak. Level 1 (1-5 marks): Knowledge is very basic, fragmented, or largely incorrect. Evaluation is minimal or absent.
Question 13 · Extended Essay
20 marks
Discuss how psychological theories of motivation can be applied to improve performance in the workplace. Refer to both Locke's Goal-Setting Theory and Vroom's Expectancy Theory in your answer.
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Worked solution
AO1: Locke's Goal-Setting Theory argues that conscious goals direct employee performance. Key elements include: Specificity (clear goals lead to higher effort than vague instructions); Challenge (difficult but attainable goals motivate more than easy ones); Commitment (employees must buy into the goals, often aided by participative goal-setting); Feedback (regular updates on progress maintain effort); and Task Complexity. Vroom's Expectancy Theory is a cognitive process theory stating that motivation is a multiplicative function of three variables: Expectancy (E) - the belief that effort will lead to successful performance; Instrumentality (I) - the belief that successful performance will be noticed and rewarded; and Valence (V) - the personal value or desirability of the reward. The formula is Motivation = E x I x V. AO3: Support for Goal-Setting: Locke's theory has robust empirical support (e.g., Locke and Latham's meta-analyses) and clear practical applications. It underpins modern Performance Management Systems and the SMART goal framework. However, a major limitation is 'tunnel vision'—employees may focus entirely on meeting specific goal targets at the expense of quality, teamwork, or ethical behavior. Support for Expectancy Theory: Vroom's model is highly praised for recognizing individual differences; it does not assume all employees are motivated by the same rewards (high valence variety). It guides managers to design personalized incentive schemes. However, the multiplicative nature means if any of the three factors (E, I, or V) is zero, motivation is zero. This makes the model highly sensitive and difficult to implement systematically in massive, standardized organizations. It also overestimates the rationality of human decision-making. Synthesis: While Locke's theory focuses primarily on the goals themselves (the what), Vroom's theory addresses the cognitive calculations behind the effort (the how). Combining both theories allows organizations to design challenging goals while ensuring employees have the tools to achieve them (Expectancy) and value the subsequent rewards (Valence).
Marking scheme
Level 4 (16-20 marks): Detailed and accurate knowledge of both Locke's Goal-Setting Theory and Vroom's Expectancy Theory. Excellent evaluation of how both theories apply to workplace performance, with clear analysis of strengths, limitations, and practical implications. Well-structured throughout. Level 3 (11-15 marks): Good knowledge of both theories, though one may be explained in slightly more detail than the other. Evaluation is clear and relevant, showing a solid understanding of how they apply to organizations. Level 2 (6-10 marks): Limited knowledge of one or both theories. Evaluation is basic, descriptive, or lacks focus on the workplace context. Level 1 (1-5 marks): Minimal or fragmented knowledge. Evaluation is virtually absent or inaccurate.
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