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Data handling and analysis

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Question 65

A clinical psychologist investigated cognitive distortion scores in two groups of patients diagnosed with depression. Patients in Group A received Cognitive Behavioural Therapy (CBT) and patients in Group B received Applied Relaxation. Each patient completed a cognitive distortion questionnaire (where higher scores indicate greater negative cognitive bias) and was given an overall score. The psychologist calculated the mean, median, and mode for each group. The results are shown in Table 1 below.

Using the data in Table 1, explain how the distribution of scores in Group A differs from the distribution of scores in Group B.

Table 1: Measures of central tendency for cognitive distortion scores

Measure of central tendencyGroup A scoresGroup B scores
Mean15.011.2
Median15.014.5
Mode15.018.0
[4]

Data handling and analysis Questions

  1. A Level
  2. /Psychology
  3. /Data handling and analysis

Practise AQA A Level Psychology Data handling and analysis with exam-style questions for A Level Psychology. 263 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