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Edexcel A-Level Psychology A2 6.3.3 Decision Making and Data Interpretation Questions

Practise analysing criminological psychology data through bar charts, correlation choices, ranked variables, hypotheses, significance and conclusions about offending research.

Syllabus
First assessment 2026
Course
Psychology XPS01/YPS01
Level
A2

Exam points

  • Justify Spearman’s rank when testing a correlation between ranked or ordinal co-variables.
  • Complete and interpret charts using percentages, then link patterns to conclusions about offending.

Edexcel A-Level Psychology A2 6.3.3 Decision Making and Data Interpretation Questions question 1

[Maximum number: 1]

Researchers assigned 40 offenders randomly to either a treatment group or a control group to test the effects of therapy on reoffending.

- Group A: Cognitive behavioural therapy (CBT).
- Group B: Control group.

The offenders were contacted one year after the research was completed in order to establish the rate of reoffending. The results are shown in Table 2.

Table 2

Table 2

Calculate the number of offenders who reoffended, using the information in Table 2. (1)

Space for calculations

Number of offenders who reoffended

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