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Inferential testing (A-level only)

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Question 22

Study of Social Anxiety

In a study investigating social anxiety, researchers used a standardized social interaction rating scale to compare two groups of participants.

  • Group 1 consisted of a sample of individuals diagnosed with Social Anxiety Disorder (SAD) recruited from an online support forum.
  • Group 2 (the control group) consisted of a sample of individuals recruited via a public library notice board.

The researchers used an inferential statistical test to determine whether there was a significant difference in social interaction rating scores between the two groups.

Explain why a Mann-Whitney test is an appropriate choice of statistical test in this situation and a Spearman's test is not.

[2]

Inferential testing (A-level only) Questions

  1. A Level
  2. /Psychology
  3. /Inferential testing (A-level only)

Practise AQA A Level Psychology Inferential testing (A-level only) with exam-style questions for A Level Psychology. 123 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank