Which design uses different participants in each condition, matched on key variables?
From Paper 1: Research methods
31 mark
Choosing every 10th name from a register is:
From Paper 1: Research methods
41 mark
A variable that changes systematically with the IV and affects the DV is a:
From Paper 1: Research methods
51 mark
Ranking cakes in order of preference produces:
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61 mark
The mean of 4, 6, 6, 8 and 11 is:
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71 mark
The median of 3, 9, 4, 7, 5 is:
From Paper 1: Research methods
81 mark
Which test is used for nominal data in an independent design?
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91 mark
A Type I error is:
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101 mark
Telling participants the true aim after a study is called:
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111 mark
An observer who joins the group being studied without them knowing is conducting a:
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121 mark
A strength of closed questions is that they:
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131 mark
Giving the same test to the same people two weeks apart checks:
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141 mark
A correlation coefficient of +0.15 shows:
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151 mark
Which graph is suitable for showing the frequency of continuous data?
From Paper 1: Research methods
16(a)2 marks
A psychologist wants to find out whether people are more helpful to someone wearing a uniform. Write a suitable aim for a field experiment.
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16(b)10 marks
Design a field experiment to test this. Include the IV and DV, the experimental design, sampling, procedure and how you would record data.
From Paper 1: Research methods
16(c)6 marks
Discuss the ethical issues raised by your field experiment.
From Paper 1: Research methods
16(d)6 marks
Evaluate the validity of your field experiment.
From Paper 1: Research methods
16(e)6 marks
Explain how a self-report method could be used to investigate the same topic, and one strength and one weakness compared with the experiment.
From Paper 1: Research methods
17(a)6 marks
In a memory experiment, Group A used a mnemonic and Group B did not. Scores (out of 20):
Group A: 14, 17, 12, 18, 15, 16, 19, 13, 15, 16
Group B: 11, 9, 14, 10, 12, 13, 8, 12, 11, 10
Calculate the mean, median and range for each group.
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17(b)4 marks
What do the descriptive statistics suggest?
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17(c)4 marks
Explain why a Mann–Whitney U test is appropriate for these data.
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17(d)5 marks
The calculated U = 5. The critical value for n₁ = n₂ = 10 (one-tailed) is 27 at p ≤ 0.05 and 19 at p ≤ 0.01. Explain what this shows.
From Paper 1: Research methods
17(e)4 marks
Sketch and describe a suitable graph to compare the two groups.
From Paper 1: Research methods
17(f)6 marks
Identify two extraneous variables that could have affected the results and explain how each could be controlled.
From Paper 1: Research methods
17(g)6 marks
Participants in Group A were also asked how they found the mnemonic. Discuss the advantages of collecting both quantitative and qualitative data.
From Paper 1: Research methods
17(h)6 marks
Explain why replication is important in psychological research, using this experiment as an example.
From Paper 1: Research methods
17(i)4 marks
Explain what a normal distribution is and why it matters when choosing a statistical test.
Score 0 / 90 · 0 of 29 marked
This paper is written by Plasmo in the style of the OCR A-Level Psychology exam. It is not a past paper and is not produced or endorsed by the exam board.
Research methods Exam Questions: OCR A-Level Psychology | Plasmo