2024 AQA IAS-Level Psychology (9685) 模擬試題連答案詳解

The visuo-spatial sketchpad (VSS) is a component of working memory that handles visual and spatial information. According to Logie (1995), it is divided into two sub-components: 1) The Visual Cache: This stores visual data, specifically information about form and colour. 2) The Inner Scribe: This records the spatial and movement arrangements of objects in the visual field and transfers information to the central executive.

1 mark for identifying and describing the visual cache (stores visual data like form/colour). 1 mark for identifying and describing the inner scribe (records spatial/movement relationships). 1 mark for linking both explicitly as sub-components of the VSS/working memory model or stating their cooperative role.

Peterson and Peterson (1959) investigated STM duration. Procedure: Participants heard a three-consonant trigram (e.g., BRG), then counted backward in threes from a given three-digit number to prevent rehearsal. They were stopped after intervals of 3, 6, 9, 12, 15, or 18 seconds to recall the trigram. Findings: Correct recall fell rapidly as the interval increased (approx. 80% at 3 seconds to less than 10% at 18 seconds), showing STM duration is limited to about 18-30 seconds without rehearsal.

1 mark for outlining the procedure (use of trigrams and interference task/counting backwards to prevent rehearsal). 1 mark for outlining the findings (high recall at 3s, sharp decline to under 10% at 18s). 1 mark for the conclusion/implication (STM duration is limited to 18-30 seconds).

State-dependent forgetting is a form of retrieval failure due to the absence of internal cues. If a student encodes information while in a particular internal state (e.g., highly alert from caffeine, or feeling anxious), those internal physiological cues become encoded alongside the material. If they are in a different state during the exam (e.g., calm, tired, or caffeine-free), the matching internal cues are absent, making it harder to access and retrieve the revised information, resulting in poorer performance.

1 mark for defining state-dependent forgetting (internal physiological/psychological cues present at encoding are missing at retrieval). 1 mark for applying this to an exam scenario (e.g., different physical/emotional states between revision and exam). 1 mark for explaining the outcome (the absence of matching cues prevents successful retrieval of information).

Tulving proposed that long-term memory is not a single store but consists of episodic, semantic, and procedural memory. Episodic memory stores personal experiences and life events (time-stamped, declarative, requires conscious effort to recall). Semantic memory stores shared factual knowledge and concepts about the world (not time-stamped, declarative). Procedural memory stores memories of how to perform actions and motor skills (non-declarative, recalled unconsciously).

1 mark for correctly listing all three types: episodic, semantic, and procedural memory. 2 marks for a clear, accurate description of any one of these types (1 mark for a basic description, 2 marks for a fully detailed description with characteristics like time-stamping, conscious effort, or examples).

Proactive interference is an explanation for forgetting where old memories interfere with the retrieval of new memories. This is most likely to happen when the two sets of information are highly similar. An everyday example is writing the previous year (e.g., 2023) at the start of a new year (2024), or typing an old password after recently changing it. The old, deeply encoded memory trace is automatically activated, blocking access to the new, less established memory trace.

1 mark for defining proactive interference (old information interfering with new information). 1 mark for providing a clear, relevant everyday example. 1 mark for explaining the mechanism (how the strength of the old memory trace prevents access to or blocks the retrieval of the new memory trace).

Post-event discussion occurs when witnesses to an event discuss what they saw with one another. This can significantly reduce the accuracy of eyewitness testimony through: 1) Memory contamination, where witnesses mix misinformation from others into their own memory of the event. 2) Memory conformity, where witnesses go along with each other's accounts to win social approval or because they believe the other person is correct and they are wrong. Research (such as Gabbert et al.) shows that a high percentage of witnesses will report details they did not actually see themselves but heard from co-witnesses.

1 mark for explaining what post-event discussion is (co-witnesses discussing the event afterwards). 1 mark for explaining the consequence/effect on accuracy (contamination of original memory / decline in accuracy). 1 mark for explaining the psychological mechanism (memory conformity or social approval/informational influence).

In the cognitive interview, the 'report everything' instruction encourages eyewitnesses to recall every single detail of the event, regardless of how trivial or incomplete it seems, or how confident they feel about it. This improves recall because minor details can act as crucial retrieval cues (triggers) that stimulate the recall of more important, connected information. Furthermore, it prevents the witness from filtering out key information that they might assume is unimportant but is actually highly valuable to investigators.

1 mark for explaining the instruction (witnesses must report all details, even minor, trivial, or incomplete ones). 1 mark for explaining how it works as a retrieval cue (minor details trigger the recall of other, more important memories). 1 mark for linking this to cognitive theory (e.g., encoding specificity principle or preventing cognitive filtering of memory).

Coding refers to the format in which information is stored in memory. In short-term memory (STM), coding is predominantly acoustic (based on sounds). Research by Conrad showed that participants make acoustic confusion errors in STM (e.g., mistaking 'B' for 'V'). In long-term memory (LTM), coding is predominantly semantic (based on meaning). Research by Baddeley showed that participants struggle to recall lists of semantically similar words from LTM because of semantic confusion. Thus, the key distinction is that STM relies on acoustic characteristics, while LTM relies on semantic characteristics.

1 mark for identifying that STM codes acoustically (by sound/acoustic properties). 1 mark for identifying that LTM codes semantically (by meaning/semantic properties). 1 mark for clearly contrasting the two (e.g., contrasting the types of confusion errors made in retrieval from each store, or citing supporting research such as Baddeley).

Proactive interference is an explanation for forgetting where previously learned information hinders the retrieval of newly acquired information. This means that old memories act forward in time to interfere with new learning.

An example of this is when you get a new phone number but struggle to remember it because you keep recalling your old phone number instead. The old memory (the old phone number) actively disrupts the retrieval of the new memory (the new phone number).

Award 1 mark for a clear definition of proactive interference (disruption of new memories by old ones).
Award 1 mark for clarifying the direction of the interference (old learning affects new learning).
Award 1 mark for a relevant, accurate example that illustrates the concept.

Proactive interference is an explanation for forgetting where previously learned information hinders the retrieval of newly acquired information. This means that old memories act forward in time to interfere with new learning.

An example of this is when you get a new phone number but struggle to remember it because you keep recalling your old phone number instead. The old memory (the old phone number) actively disrupts the retrieval of the new memory (the new phone number).

Award 1 mark for a clear definition of proactive interference (disruption of new memories by old ones).
Award 1 mark for clarifying the direction of the interference (old learning affects new learning).
Award 1 mark for a relevant, accurate example that illustrates the concept.

Amelia is experiencing proactive interference. Proactive interference occurs when older, previously stored information (her old bank PIN) disrupts or prevents the recall of newer information (her new bank PIN).

1 mark for the correct option (B).

The episodic buffer, added by Baddeley in 2000, acts as a temporary store that integrates acoustic, visual, and spatial information, and provides a bridge to long-term memory.

1 mark for the correct option (C).

Proactive interference is an explanation for forgetting where previously learned (older) information disrupts the encoding or recall of newly learned (newer) information. This type of interference is particularly strong when the old and new information are highly similar. For instance, if someone learns to drive a manual car and then switches to an automatic, they might struggle and repeatedly try to press a non-existent clutch pedal because of their old habit interfering with the new task.

2 marks: Clear and accurate explanation of proactive interference, showing understanding that older memories disrupt the recall of newer memories, with elaboration or a relevant example. 1 mark: Basic or partial explanation of proactive interference (e.g., stating that old memories interfere with new memories, without further detail or example). 0 marks: Incorrect explanation, or describing retroactive interference instead.

To achieve minority influence, the minority group must present a consistent message. Diachronic consistency refers to the minority keeping the same belief over a long period. Synchronic consistency occurs when all members of the minority group agree with each other and share the same message. This consistency creates cognitive conflict in the majority, prompting them to think more deeply about the minority's viewpoint, eventually leading to conversion.

1 mark for defining consistency (e.g., repeating the same message over time or across members). 1 mark for identifying/explaining at least one type of consistency (diachronic or synchronic consistency). 1 mark for explaining the impact of consistency on the majority (e.g., causing cognitive conflict, showing confidence, or prompting re-evaluation).

Compliance is a superficial type of conformity where an individual temporarily changes their public behaviour and opinions to agree with a group, but privately disagrees. In contrast, internalisation is a deep and permanent type of conformity where an individual permanently adopts the group's belief system, changing both their public and private beliefs. While compliance is driven by the desire to fit in (normative influence) and ends when group pressure is removed, internalisation is often driven by the desire to be correct (informational influence) and persists in the absence of the group.

1 mark for a clear definition of compliance (public acceptance, private disagreement). 1 mark for a clear definition of internalisation (both public and private acceptance, permanent change). 1 mark for explicitly distinguishing them (e.g., contrasting the level of private belief change, durability, or motivation).

Liam displays an internal locus of control (ILOC) because he believes his academic success is a direct result of his own effort and hard work, rather than external factors like luck. Individuals with an internal locus of control believe that they are responsible for their own behaviour and decisions. Because of this, they are more self-confident, more autonomous, and less likely to feel the need for social approval from their peers. Consequently, Liam is able to resist the peer pressure to skip class and adhere to his own values.

1 mark for identifying that Liam has an internal locus of control. 1 mark for explaining what an internal locus of control is (responsibility for own actions/outcomes). 2 marks for linking internal locus of control to resistance of social influence (e.g., explaining that ILOC individuals are more independent, self-confident, less reliant on peer approval, and therefore better able to resist conformity).

In an autonomous state, individuals act according to their own principles and feel personal responsibility for their actions. The agentic state occurs when an individual no longer feels personally responsible for their actions, instead believing they are acting as an agent on behalf of an authority figure. The transition from autonomy to agency is called the 'agentic shift'. This shift occurs when a person encounters someone they perceive as having legitimate authority within a social hierarchy. Because they trust or fear the authority figure, they hand over responsibility for the consequences of their actions to that figure.

1 mark for outlining the autonomous state (acting independently, taking responsibility). 1 mark for outlining the agentic state (acting on behalf of an authority figure, shifting responsibility). 2 marks for explaining the transition (the agentic shift occurs when a person perceives another as a legitimate authority figure within a social hierarchy, leading them to surrender personal responsibility).

In this variation of Milgram's study, obedience levels dropped significantly from the original 65% down to 20%. This dramatic decrease occurred because a uniform acts as a powerful, immediate visual symbol of legitimate authority and status within society. When the experimenter wore everyday clothes, they lacked this institutional status, and participants no longer perceived them as a legitimate authority figure. As a result, the participants felt less pressure to obey their instructions and were more likely to remain in an autonomous state, taking personal responsibility for their decisions.

1 mark for stating that obedience rates decreased significantly (accepting accurate drop, e.g., to 20%). 1 mark for identifying the situational variable (uniform / legitimacy of authority). 2 marks for explaining the psychological mechanism (uniforms signal societal status/authority; without it, the person is not perceived as legitimate, reducing social pressure to obey and keeping participants in the autonomous state).

### AO1: Description of Explanations for Resistance to Social Influence

**Social Support:**
* Social support refers to the presence of people who resist pressures to conform or obey, acting as models to show others that resistance is possible.
* **Conformity:** The presence of a dissenter (someone who goes against the majority) breaks the unanimity of the group. This frees up the individual to act independently, as they no longer feel the absolute normative pressure to fit in. For example, in Asch's variations, when a non-conforming confederate was introduced, conformity dropped from 36.8% to 5.5%.
* **Obedience:** Having a disobedient peer provides social support by challenging the legitimacy of the authority figure's orders. In one of Milgram's variations, when the participant was joined by two disobedient confederates who refused to continue, obedience to the 450V shock dropped from 65% to 10%.

**Locus of Control (LOC):**
* Proposed by Julian Rotter (1966), LOC is a personality dimension referring to a person's perception of personal control over their own behavior and lives.
* **Internal LOC:** Individuals believe that they are responsible for their own decisions and the outcomes of their actions. They are more likely to resist social influence because they rely on their own beliefs, are more self-confident, have higher intelligence, and feel less need for social approval.
* **External LOC:** Individuals believe that what happens to them is determined by external factors, such as luck, fate, or influential others. They are less likely to resist social influence as they feel they have little personal agency.

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### AO3: Evaluation of Explanations

**Social Support:**
* **Supporting Evidence for Conformity:** Allen and Levine (1971) found that conformity decreased in an Asch-like task even when the dissenter wore thick glasses and claimed to have vision problems. This supports the idea that any social support, even if not highly credible, helps individuals resist group pressure by breaking unanimity.
* **Supporting Evidence for Obedience:** Gamson et al. (1982) found extremely high levels of resistance in their study where participants were in groups. They had to produce evidence to help an oil company run a smear campaign. 29 out of 33 groups (88%) rebelled against the orders, demonstrating that peer support in a group setting strongly facilitates resistance to unjust authority.

**Locus of Control:**
* **Supporting Research:** Holland (1967) replicated Milgram's baseline obedience study and measured whether participants were internals or externals. He found that 37% of internals refused to continue to the highest shock level, compared to only 23% of externals. This direct empirical evidence supports the link between an internal LOC and greater resistance to obedience.
* **Contradictory Historical Trends:** Twenge et al. (2004) performed a meta-analysis of American locus of control studies over a 40-year period (1960 to 2002). They found that over time, people have become more external in their LOC, but paradoxically, also more resistant to obedience and social influence. If resistance were purely determined by an internal LOC, we would expect resistance to have decreased over this time.
* **Role of Situation vs. Disposition:** Rotter (1982) pointed out that LOC only significantly influences behavior in novel situations. In familiar situations, our past experiences of conforming or obeying have a far greater impact, meaning LOC has limited explanatory power for everyday habitual compliance.

**Marks allocation:**
* **AO1 (Description):** 6 marks
* **AO3 (Evaluation):** 6 marks

**Level 4 (10-12 marks):**
* Knowledge of both social support and locus of control is accurate, detailed, and well-structured.
* Evaluation of both explanations is thorough, showing critical analysis (e.g., using relevant research evidence like Holland, Allen and Levine, or Twenge).
* The argument is coherent, using precise psychological terminology.

**Level 3 (7-9 marks):**
* Knowledge of both explanations is mostly accurate with reasonable detail, though one may be slightly more developed than the other.
* Evaluation is clear and effective, with some attempt to evaluate both concepts.
* The essay is generally well-structured with appropriate terminology.

**Level 2 (4-6 marks):**
* Knowledge is present but limited, containing some omissions or minor inaccuracies (e.g., confusing LOC directions or missing details of supporting studies).
* Evaluation is basic, superficial, or heavily reliant on description rather than critical analysis.
* Structure may lack cohesion.

**Level 1 (1-3 marks):**
* Knowledge is very weak, fragmented, or mostly inaccurate.
* Evaluation is minimal, absent, or irrelevant.
* Use of psychological terminology is extremely limited.

First, the therapist would teach Kira relaxation techniques, such as deep breathing or progressive muscle relaxation. Second, Kira and her therapist would work together to design an anxiety hierarchy, ranking spider-related situations from least frightening (e.g., looking at a picture of a spider) to most frightening (e.g., holding a live spider). Finally, Kira would experience gradual exposure, starting at the lowest level of the hierarchy while practicing relaxation. Due to reciprocal inhibition, she cannot feel fear and relaxation simultaneously. She only moves up the hierarchy once she is completely calm at the current stage, continuing until she can face her most feared situation without anxiety.

1 mark: Reference to teaching Kira relaxation techniques (e.g. deep breathing, progressive muscle relaxation). 1 mark: Reference to establishing an anxiety hierarchy with spider-related examples ranging from least to most feared. 1 mark: Reference to gradual exposure, where Kira moves through the hierarchy step-by-step. 1 mark: Explaining that she only moves to the next level when relaxed and comfortable with the current level. 1 mark: Explicitly applying the concept to Kira's spider phobia (e.g., mentioning spiders, webs, or holding them) and/or referencing reciprocal inhibition (relaxation and fear cannot coexist).

Albert Ellis's ABC model states that depression is not caused directly by negative life events, but by how we interpret them. 'A' represents the Activating Event: an external event occurs (e.g., failing an exam). 'B' represents the Belief: the individual develops irrational beliefs about this event, such as 'musturbation' (e.g., 'I must succeed at everything or I am a complete failure'). 'C' represents the Consequences: these irrational beliefs lead to negative emotional and behavioural consequences characteristic of depression, such as feeling hopeless or withdrawing socially. By focusing on these irrational beliefs, the model explains why some people develop depression after negative events while others do not.

1 mark: Explanation of 'A' (Activating event) with a suitable example (e.g., losing a job, failing an exam). 1 mark: Explanation of 'B' (Beliefs), clearly distinguishing between rational and irrational beliefs (e.g., 'musturbation' or utopianism). 1 mark: Explanation of 'C' (Consequences), linking the beliefs to depressive outcomes/symptoms. 1 mark: Understanding that the irrational belief (B) is what causes the consequence (C), not the activating event (A) itself. 1 mark: Coherent application of a consistent example across all three stages (A, B, and C).

### Model Essay

**Introduction**
The cognitive approach to psychopathology posits that depression is caused by abnormal, irrational, and biased thinking processes. Rather than focusing on physical causes or external circumstances, cognitive theorists such as Aaron Beck and Albert Ellis emphasize how our mental processing of events determines our emotional state.

**AO1: Description of Cognitive Explanations**

**Beck's Cognitive Theory of Depression**
Aaron Beck (1967) proposed that some people are more vulnerable to depression because of cognitive vulnerabilities. He identified three main components to this vulnerability:
1. **Faulty Information Processing:** Depressed individuals tend to focus on the negative aspects of a situation and ignore positives. They also make cognitive errors, such as *overgeneralisation* (drawing a sweeping conclusion based on a single incident) and *catastrophising* (expecting the worst-case scenario).
2. **Negative Self-Schemas:** A schema is a mental package of ideas and information developed through experience. A negative self-schema is a pessimistic package of information about oneself, often acquired during childhood through parental rejection or peer criticism. Once activated, it leads to the cognitive biases mentioned above.
3. **The Negative Triad:** Beck suggested that depressed people develop a negative view of the world, which maintains their depression. This triad consists of:
* **Negative views of the self:** e.g., "I am worthless and a failure."
* **Negative views of the world:** e.g., "Everyone hates me and the world is a cruel place."
* **Negative views of the future:** e.g., "Nothing will ever get better for me."

**Ellis's ABC Model**
Albert Ellis (1962) proposed that good mental health is the result of rational thinking, while depression arises from irrational beliefs. He used the ABC model to explain this:
* **A - Activating Event:** An external event triggers an irrational response (e.g., failing an exam or experiencing a relationship breakdown).
* **B - Beliefs:** The individual's thoughts about the event, which can be rational or irrational. Ellis identified key irrational beliefs, such as *musturbation* (the belief that we must always succeed or be perfect) and *utopianism* (the belief that life must always be fair).
* **C - Consequences:** The emotional and behavioral outcomes of these beliefs. If the beliefs are irrational, they lead to negative, self-defeating consequences like depression.

---

**AO3: Evaluation of Cognitive Explanations**

**Strengths**
* **Supporting Research Evidence:** There is strong empirical support for the link between negative thinking and depression. For example, Boury et al. (2001) monitored students' cognitions using the Beck Depression Inventory (BDI) and found that depressed students were far more likely to misinterpret information negatively and display elements of the negative triad. Similarly, Lewinsohn et al. (2001) conducted a prospective study measuring negative cognitions in adolescents. They found that those who initially scored high on negative thinking were significantly more likely to develop depression later, supporting the theory that faulty cognitions precede the onset of depression.
* **Practical Application to Therapy:** Perhaps the greatest strength of cognitive explanations is their successful application to treatment. Both Beck's cognitive therapy and Ellis's Rational Emotive Behavior Therapy (REBT) have been shown to be highly effective in treating depression. By challenging and restructuring irrational beliefs and negative thoughts, these therapies help patients recover. The real-world success of these treatments strongly supports the validity of the underlying cognitive theories; if altering cognitions relieves depression, then cognitions must play a causal role in the disorder.

**Limitations**
* **The Issue of Cause and Effect (Direction of Causality):** A major limitation is that most research establishing a link between cognition and depression is correlational. This makes it difficult to determine whether negative thinking actually *causes* depression, or if negative thinking is simply a *symptom* of depression caused by biological or situational factors. It is highly plausible that a chemical imbalance in the brain triggers a depressive mood state, which then causes the individual to interpret their world through a negative lens.
* **Incomplete Explanation (Biological Factors):** The cognitive explanation neglects biological influences. Research has shown that genetics play a significant role in depression, and low levels of the neurotransmitter serotonin are strongly linked to the disorder. Antidepressant medications (such as SSRIs) that increase serotonin levels are effective in alleviating depressive symptoms for many patients. The cognitive explanation cannot easily account for these biological aspects on its own, suggesting that a more integrated diathesis-stress model is required (where a genetic vulnerability is triggered by cognitive or environmental stressors).
* **Blaming the Patient:** By focusing entirely on internal cognitive processes, this approach can inadvertently place the blame for the disorder solely on the patient's thinking. While this can be empowering (as it implies the patient has the power to change their thoughts), it may lead clinicians to overlook external, situational factors such as domestic abuse, poverty, or traumatic life events that are realistically causing the individual's distress.

### Mark Breakdown (Total: 20 marks)
* **AO1 (Knowledge and Understanding):** 8 marks
* **AO3 (Analysis and Evaluation):** 12 marks

### AO1: Knowledge and Understanding (Max 8 marks)

| Level | Mark Range | Description |
| :--- | :--- | :--- |
| **Level 4** | **7–8 marks** | Knowledge of cognitive explanations of depression is accurate and detailed. The description of Beck’s negative triad/cognitive biases and/or Ellis’s ABC model is clear and uses psychological terminology appropriately throughout. |
| **Level 3** | **5–6 marks** | Knowledge of cognitive explanations is mostly accurate with some detail. There may be minor omissions or lack of clarity in explaining specific concepts (e.g., schemas or specific cognitive errors). |
| **Level 2** | **3–4 marks** | Knowledge is present but lacks detail or contains some inaccuracies. The distinction between Beck and Ellis may be confused, or only one model is described with limited detail. |
| **Level 1** | **1–2 marks** | Knowledge is extremely limited, fragmented, or mostly inaccurate. Shows little understanding of cognitive theories of depression. |
| | **0 marks** | No relevant content. |

### AO3: Analysis and Evaluation (Max 12 marks)

| Level | Mark Range | Description |
| :--- | :--- | :--- |
| **Level 4** | **10–12 marks** | Evaluation is thorough, balanced, and highly effective. Analysis of supporting evidence (e.g., studies), practical applications (e.g., CBT), and limitations (e.g., cause/effect, biological alternatives) is well-developed. Psychological terminology is used effectively. |
| **Level 3** | **7–9 marks** | Evaluation is mostly clear and effective. Some evaluation points are well-developed (e.g., CBT application), but others may be less thorough or lack explicit connection to the explanations. |
| **Level 2** | **4–6 marks** | Evaluation is limited or basic. Points are often stated rather than explained, or are descriptive of research rather than analytical. There is limited critical depth. |
| **Level 1** | **1–3 marks** | Evaluation is very weak, disorganized, or absent. Points are superficial or largely irrelevant. |
| | **0 marks** | No relevant evaluation. |

When an action potential reaches the end of the pre-synaptic neuron (the axon terminal), it triggers the release of neurotransmitters from synaptic vesicles into the synaptic cleft. These neurotransmitters diffuse across the gap and bind to specific receptors on the post-synaptic membrane. If the neurotransmitter is excitatory (e.g., glutamate), it causes depolarisation of the post-synaptic membrane (an excitatory post-synaptic potential or EPSP), making the neuron more likely to fire. If the neurotransmitter is inhibitory (e.g., GABA), it causes hyperpolarisation (an inhibitory post-synaptic potential or IPSP), making the neuron less likely to fire.

1 mark: for explaining the action potential triggering the release of neurotransmitters from vesicles into the synaptic cleft. 1 mark: for explaining how neurotransmitters diffuse across the synaptic cleft and bind to specific receptor sites. 1 mark: for defining excitation as increasing the likelihood of the post-synaptic neuron firing. 1.28 marks: for defining inhibition as decreasing the likelihood of the post-synaptic neuron firing.

When the runner hears the starting pistol, the hypothalamus perceives this sudden sound as a stressor and activates the sympathetic division of the autonomic nervous system (ANS). This triggers the adrenal medulla to release the hormone adrenaline into the bloodstream. Adrenaline causes physiological changes such as increased heart rate and dilation of the bronchi, which increases oxygen delivery to the skeletal muscles. This prepares the body for immediate, intense physical action (the sprint/flight response).

1 mark: for identifying the perception of the stressor and the activation of the sympathetic nervous system/ANS. 1 mark: for outlining the release of adrenaline from the adrenal medulla. 1 mark: for identifying specific physiological changes (e.g., increased heart rate, rapid breathing, redirection of blood flow). 1.28 marks: for linking these physiological changes directly to preparing the runner's body for the physical exertion of sprinting.

In terms of function, sensory neurons carry nerve impulses from sensory receptors (in the peripheral nervous system) towards the brain and spinal cord (central nervous system), whereas motor neurons conduct motor commands away from the central nervous system to effectors, such as muscles or glands. In terms of structure, sensory neurons typically have long dendrites and short axons, with the cell body located along the side of the axon (unipolar structure). In contrast, motor neurons have short dendrites and long axons, with the cell body located at the start of the axon in the CNS (multipolar structure).

2 marks for explaining functional differences (1 mark for explaining sensory neuron function and 1 mark for motor neuron function). 2.28 marks for explaining structural differences (1 mark for describing sensory neuron structure, e.g., long dendrites/short axons/cell body location; 1.28 marks for describing motor neuron structure, e.g., short dendrites/long axons/cell body location).

The somatic nervous system (SNS) is responsible for transmitting sensory information from sensory receptors to the central nervous system (CNS), and carrying motor commands from the CNS to skeletal muscles to control voluntary movements. The autonomic nervous system (ANS) regulates involuntary internal bodily functions (such as heart rate, digestion, and body temperature) to maintain homeostasis, operating automatically without conscious control and dividing into the sympathetic and parasympathetic systems.

2 marks for the Somatic Nervous System (1 mark for mentioning sensory transmission, 1 mark for voluntary motor control of skeletal muscles). 2.28 marks for the Autonomic Nervous System (1 mark for mentioning the regulation of involuntary/automatic internal functions, 1.28 marks for referencing maintaining homeostasis, specific functions like heart rate/digestion, or its divisions into sympathetic/parasympathetic).

One key difference is in their spatial and temporal resolutions. Functional magnetic resonance imaging (fMRI) has high spatial resolution (within 1-2 millimetres), allowing researchers to pinpoint exactly which brain areas are active, but it has poor temporal resolution (a delay of 1-5 seconds) because it measures changes in blood oxygenation. Conversely, event-related potentials (ERPs) have excellent temporal resolution (millisecond accuracy), tracking real-time electrical brain activity directly, but they have poor spatial resolution, making it difficult to determine the precise anatomical source of the electrical signals.

2 marks for outlining fMRI/ERP spatial resolution (1 mark for stating fMRI is high/ERPs are low; 1 mark for describing the implications of this, i.e., pinpointing location vs general origin). 2.28 marks for outlining temporal resolution (1 mark for stating ERPs are high/fMRI is low; 1.28 marks for describing the implications, i.e., millisecond-level real-time tracking of electrical activity vs delayed blood-flow measurements).

Split-brain research (e.g., Sperry) has revealed that language processing is highly lateralised, with speech production and articulation predominantly located in the left hemisphere. When split-brain patients were shown an image in their right visual field (processed by the left hemisphere), they could easily describe what they saw because the left hemisphere has language centres (Broca's and Wernicke's areas). However, when shown an image in their left visual field (processed by the right hemisphere), they could not describe it verbally but could physically select the object with their left hand, demonstrating that the right hemisphere has non-verbal comprehension but cannot produce speech.

1 mark: for identifying that language production/speech is lateralised to the left hemisphere. 1 mark: for identifying that the right hemisphere lacks verbal expression but possesses non-verbal/spatial processing skills. 2.28 marks: for explaining how this was demonstrated experimentally (e.g., describing stimuli from the right visual field vs inability to verbally describe stimuli from the left visual field but being able to select it physically).

Following a stroke, the brain can recover lost functions like speech through functional recovery, a form of plasticity. Undamaged areas reorganise to compensate for damaged language areas. This occurs through structural changes: 1) Axonal sprouting, where undamaged axons grow new nerve endings to connect with other undamaged cells and form new pathways; 2) Neuronal unmasking, where dormant/inactive synapses are activated to enable function to continue; and 3) Recruitment of homologous areas on the opposite (right) hemisphere to take over the speech tasks originally performed by the damaged left hemisphere.

1 mark: for explaining the general concept of functional recovery/brain plasticity (reorganising or transferring functions from damaged to undamaged areas). 1 mark: for explaining axonal sprouting (growth of new nerve endings/connections). 1 mark: for explaining neuronal unmasking (activation of dormant synapses). 1.28 marks: for explaining the recruitment of homologous areas (opposite hemisphere taking over the function).

To gain full marks, the response must cover the definition, the stage of development, and an illustrative example:
- 1 mark: Defining egocentrism (the cognitive limitation where a child cannot perceive a situation from any perspective other than their own or assumes others see, hear, and feel exactly as they do).
- 1 mark: Identifying the relevant developmental stage (pre-operational stage, typically ages 2 to 7 years).
- 1.33 marks: Describing a clear example or study demonstrating egocentrism (such as the Three Mountains Task where young children choose a perspective matching their own visual field rather than that of a doll, or a naturalistic everyday example of egocentric communication).

3.33 marks: Clear, accurate definition of egocentrism, correct identification of the pre-operational stage, and a well-described experimental or everyday example.
2 marks: Definition is clear, but either the stage is incorrect/missing or the example is weakly outlined.
1 mark: Vague or partially correct definition with no example, or a weak example without conceptual explanation.
0 marks: Incorrect or irrelevant response.

- 1.33 marks: Clear explanation of the Zone of Proximal Development (ZPD) as the difference or gap between current independent ability and potential ability when aided.
- 1.33 marks: Clear explanation of scaffolding as the structured, temporary support mechanism or interactive framework provided by an expert/tutor.
- 0.67 marks: Clear distinction made between the two concepts (ZPD defines the potential cognitive space/boundaries for learning, whereas scaffolding is the active process/instructional technique used to navigate and cross that space).

3.33 marks: Both terms are accurately and clearly defined, with an explicit distinction showing how they relate but differ conceptually.
2 marks: Both terms are defined but the distinction is weak, or one term is fully explained and the other is only partially defined.
1 mark: Only one term is correctly defined, or both are very vaguely outlined without distinction.
0 marks: Incorrect or irrelevant response.

- 1.33 marks: Clear identification of the theoretical challenge (Piaget's proposed age of onset for object permanence of 8 months vs. Baillargeon's younger age of 3-4 months).
- 1 mark: Explanation of the VOE methodology (measuring infant looking times at 'possible' vs 'impossible' scenarios, where longer looking times indicate surprise at a violation of physical laws).
- 1 mark: Linking this to how it suggests an innate or very early developing physical reasoning system, refuting Piaget's view that object permanence must be slowly constructed through sensorimotor coordination.

3.33 marks: Detailed and accurate explanation of the challenge, specifying the concept of object permanence, the contrasting ages involved, and the core methodology (looking longer at impossible events).
2 marks: Correctly identifies that Baillargeon showed infants have object permanence earlier than Piaget proposed, but the description of the methodology or theoretical distinction is incomplete.
1 mark: Vague understanding that Baillargeon challenged Piaget's timeline, with minimal detail on how or why.
0 marks: Incorrect or irrelevant response.

### AO1 (Knowledge and Understanding):
- **Social Basis of Cognitive Development:** Vygotsky proposed that cognitive development is a social process, driven by interactions with more knowledgeable members of society (More Knowledgeable Others, or MKOs). Knowledge is first co-constructed socially (inter-mental) before being internalised by the individual (intra-mental).
- **The Zone of Proximal Development (ZPD):** The ZPD is the distance between a child's current level of independent development and the level of potential development they can achieve under adult guidance or in collaboration with more capable peers.
- **Scaffolding:** Although the term was coined by Wood, Bruner, and Ross, it describes the supportive framework provided by an MKO to help a child cross the ZPD. Assistance is progressively adjusted, with the MKO offering high levels of support initially and gradually withdrawing it as the child becomes more competent.
- **The Role of Language:** Vygotsky argued that language is the most important cultural tool. It transitions from external social speech (communicating with others) to self-directed 'private speech' (used for cognitive self-regulation) and eventually becomes silent 'inner speech' (thought).
- **Cultural Tools:** Cognitive development is shaped by the physical and intellectual tools provided by the culture in which the child is raised.

### AO3 (Evaluation):
- **Support for Scaffolding (Wood and Middleton, 1975):** Observed mothers helping their 4-year-old children build a 3D wooden toy pyramid. The most successful mothers adapted their help to the child's success/failure (dynamic scaffolding), supporting the idea that tailored assistance within the ZPD enhances learning.
- **Support for Private Speech (Berk and Spuhl, 1995):** Found that children engaged in private speech when working on challenging maths tasks, and those who used private speech performed better, supporting Vygotsky's view that language acts as a tool for self-regulation.
- **Practical Applications in Education:** Vygotsky's theory has transformed modern education, leading to the widespread adoption of collaborative learning, peer tutoring, and reciprocal teaching, replacing traditional passive learning models.
- **Comparison with Piaget:** Unlike Piaget, who viewed children as independent 'little scientists' discovering the world on their own, Vygotsky viewed children as apprentices learning through social guidance. Piaget believed development must precede learning, whereas Vygotsky believed learning pulls development.
- **Limitations:** Vygotsky's theory has been criticised for being less developed in certain areas compared to Piaget's. He died young (at age 37), meaning some aspects of his theory, such as the exact mechanisms of internalisation, are less clearly specified. Additionally, it may underestimate the role of biological maturation and individual differences in learning style.

### Mark Bands:

* **Level 4 (16–20 marks):**
- **AO1:** Knowledge of Vygotsky's theory (ZPD, scaffolding, language, MKO) is accurate, detailed, and well-structured.
- **AO3:** Evaluation is thorough, balanced, and critical, with effective integration of empirical evidence and comparisons (e.g., with Piaget). Discussion points are highly relevant and clearly linked to the overall essay structure.

* **Level 3 (11–15 marks):**
- **AO1:** Knowledge of Vygotsky's theory is mostly accurate and shows a good understanding, though some elements may lack depth or detail.
- **AO3:** Evaluation is mostly effective, with appropriate use of empirical evidence or comparative points, though some arguments may lack fully developed explanation.

* **Level 2 (6–10 marks):**
- **AO1:** Some knowledge of Vygotsky's theory is present (e.g., mentioning ZPD or social interaction), but there are inaccuracies, or the explanation is superficial/disorganised.
- **AO3:** Evaluation is limited, descriptive, or relies on unsubstantiated assertions. Minimal reference to empirical research or comparison.

* **Level 1 (1–5 marks):**
- **AO1:** Knowledge is extremely sparse, fragmented, or largely incorrect.
- **AO3:** Evaluation is virtually absent or irrelevant.

* **Level 0 (0 marks):**
- No creditworthy material is presented.

The correct answer is C. A matched pairs design involves matching participants on key variables (like IQ and reading ability) and then assigning each member of the pair to a different condition. This controls for individual differences without the risk of order effects associated with a repeated measures design.

Award 2.14 marks for selecting option C. Award 0 marks for selecting option A, B, or D.

The correct answer is B. Systematic sampling involves selecting every \(n\)th person from a sampling frame (such as a list of employees arranged in alphabetical order).

Award 2.14 marks for selecting option B. Award 0 marks for selecting option A, C, or D.

The correct answer is B. Operationalisation is the process of clearly defining variables so they can be measured objectively, allowing the research to be replicated.

Award 2.14 marks for selecting option B. Award 0 marks for selecting option A, C, or D.

The correct answer is C. Demand characteristics are cues in an experimental environment that allow participants to deduce the researcher's hypothesis, leading them to alter their behavior.

Award 2.14 marks for selecting option C. Award 0 marks for selecting option A, B, or D.

The correct answer is B. Presumptive consent involves asking a similar group of people if they would agree to take part in the study; if they say yes, then the consent of the actual participants is presumed.

Award 2.14 marks for selecting option B. Award 0 marks for selecting option A, C, or D.

The correct answer is C. A pilot study is a small-scale trial run of the main investigation designed to test procedures, materials, and timings, allowing the researcher to make adjustments before investing time and money.

Award 2.14 marks for selecting option C. Award 0 marks for selecting option A, B, or D.

The correct answer is B. Event sampling involves counting the number of times a particular behaviour occurs in a target individual or group during the entire observation period.

Award 2.14 marks for selecting option B. Award 0 marks for selecting option A, C, or D.

The correct answer is C. A correlation coefficient of \(-0.85\) indicates a strong negative relationship (as one variable increases, the other decreases significantly).

Award 2.14 marks for selecting option C. Award 0 marks for selecting option A, B, or D.

The operationalised dependent variable is the specific, measurable way the researcher assesses the dependent variable (concentration). In this study, it is the number of subtraction errors made in a 5-minute timed mental arithmetic test (Option b). Option a is the independent variable, Option c is the general concept of the dependent variable before operationalisation, and Option d is an extraneous variable or part of the materials.

Award 2.14 marks for identifying option b. Award 0 marks for any other option.

Random sampling occurs when every member of the target population has an equal chance of being selected. Putting all eligible participants' names into a computer program to select them randomly (Option b) ensures this. Option a describes systematic sampling, Option c describes opportunity sampling, and Option d describes stratified sampling.

Award 2.14 marks for identifying option b. Award 0 marks for any other option.

A matched pairs design (Option c) involves pairing participants based on key variables (such as baseline memory scores) that could affect the dependent variable, and then assigning one member of each pair to each condition. This controls for individual differences without the disadvantage of order effects that occur in a repeated measures design.

Award 2.14 marks for identifying option c. Award 0 marks for any other option.

Qualitative data (Option c) is non-numerical, descriptive data that captures detailed experiences, thoughts, and feelings, which fits the description of interview transcripts. Quantitative data (Option a) and nominal data (Option d) involve numerical values or categories, and secondary data (Option b) is data collected by someone else previously.

Award 2.14 marks for identifying option c. Award 0 marks for any other option.

A pilot study is a small-scale trial run of the main research design. Its main purpose is to test the feasibility, instructions, timing, and materials (Option b), allowing the researcher to make necessary adjustments before investing time and money in the full study.

Award 2.14 marks for identifying option b. Award 0 marks for any other option.

Demand characteristics (Option b) are cues in an environment or experimental setup that lead participants to guess the aim of the study, which can cause them to change their behavior to fit (or actively go against) what they think the researcher wants. Investigator effects (Option a) relate to researcher bias, social desirability (Option c) is presenting oneself in a favorable light, and order effects (Option d) are issues with repeated measures.

Award 2.14 marks for identifying option b. Award 0 marks for any other option.