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Edexcel A-Level Psychology A2 7.3.3 Decision Making and Data Interpretation Questions

Practise Edexcel Psychology decision making and data interpretation by extracting results, completing tables or graphs, calculating values and drawing conclusions.

Syllabus
2026
Course
Psychology XPS01/YPS01
Level
A2

Exam points

  • Extract values from tables and charts, complete tables or plots, and calculate counts or percentages accurately.
  • Use results to state a justified conclusion about whether a treatment effect or pattern is supported.

Edexcel A-Level Psychology A2 7.3.3 Decision Making and Data Interpretation Questions question 1

[Maximum number: 2]

Andreas and Mikhael conducted a meta-analysis of research into causes of stress. They reviewed 60 research studies that had all tested the effect of stress triggers on stomach acidity levels in non-human participants.
They presented the data from their meta-analysis of the studies in Table 4.

Table for Question Edexcel A-Level Psychology A2 7.3.3 Decision Making and Data Interpretation Questions question 1 — Edexcel A-Level Psychology A2

Question (a)

(a)

State one conclusion that could be made using the data in Table 4.

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Question (b)

(b)

Calculate the number of studies that found no significant increase in stomach acidity levels using the information in Table 4.
Space for calculations

The use of non-human animals in the psychological research that Andreas and Mikhael reviewed would have been required to meet the Animals (Scientific Procedures) Act 1986.

[ 1 ]
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