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Research methods and techniques

Research methods and techniques

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Question 148

A clinical psychologist wants to investigate whether there is a significant difference in anxiety reduction between two different therapeutic approaches. One group of 15 participants undergoes Cognitive Behavioural Therapy (CBT), while a second, separate group of 15 participants undergoes Mindfulness-Based Stress Reduction (MBSR). At the end of the study, anxiety improvement is measured using a 10-point clinical rating scale, producing ordinal data.

Which inferential statistical test should be used to determine if there is a significant difference in anxiety improvement scores between these two groups?

A

Wilcoxon Signed Ranks

B

Mann-Whitney U

C

Chi-Square

D

Unrelated ttt-test

Markscheme

Research methods and techniques Questions

  1. A Level
  2. /Psychology
  3. /Research methods and techniques

644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.

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