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11.1 Designing psychological research

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Question 11

A psychologist investigates whether watching a calm video or an energetic video affects the number of puzzles pupils solve in ten minutes. Different pupils are used in each condition. By chance, the calm-video group contains several pupils who solve puzzles as a hobby.

Explain how a participant variable could affect the conclusion of this study.

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Markscheme

11.1 Designing psychological research Questions

  1. GCSE
  2. /Psychology
  3. /11.1 Designing psychological research

64 exam-style questions on Edexcel GCSE Psychology 11.1 Designing psychological research, covering 11.1.1 Identify variables, 11.1.2 Controlling extraneous variables, 11.1.3 Write a null hypothesis, 11.1.4 Write an alternative hypothesis, 11.1.5 Methods of sampling, 11.1.6 Experimental and research designs, 11.1.7 Reliability and validity, 11.1.8 Ethical issues in research, 11.1.9 Laboratory experiment, 11.1.10 Field experiment, 11.1.11 Natural experiment, 11.1.12 Interview, 11.1.13 Questionnaire, 11.1.14 Correlation, 11.1.15 Case study, and 11.1.16 Observation. Each one has a worked solution and a mark scheme showing where the marks go.

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