IB Diploma Programme (DP) - SL & HL · Psychology

Research questions, aims and hypotheses: Practice Questions

5 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Research questions, aims and hypotheses.

9 questions21 marksFree, no account

Question 1

1 mark

Which ethical principle ensures that participants are fully aware of the nature of the research, including any potential risks, before agreeing to participate?

Question 2

1 mark

A researcher is concerned that demand characteristics might influence the outcome of their experiment. Which type of validity is most directly compromised by this phenomenon?

Question 3

1 mark

Which of the following scenarios best illustrates a quasi-experiment, and why?

Question 4

1 mark

A researcher recruits participants for a study by asking current participants to suggest other people they know who might be interested. What type of sampling is this?

Question 5

1 mark

A researcher finds a strong positive correlation of \(r = 0.82\) between hours of physical exercise and reported levels of happiness. What is the most accurate conclusion that can be drawn from this result?

Question 6

2 marks

Identify one primary strength of using a laboratory experiment as a research method in the study of human behaviour.

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Question 7

4 marks

Explain the difference between purposive sampling and snowball sampling in qualitative research.

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Question 8

6 marks

Explain how the practice of reflexivity contributes to the overall credibility of findings in a qualitative research study.

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Question 9

4 marks

Part A: Explain the difference between probability sampling and non-probability sampling in psychological research.
Part B: Describe one advantage and one disadvantage of using snowball sampling when researching sensitive topics or marginalized populations.

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