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Research methods and techniques

Research methods and techniques

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Question 83

A researcher wants to investigate whether consuming a high-polyphenol dark chocolate bar improves short-term cognitive processing speed during stressful tasks. To obtain participants, the researcher stands in the concourse of a major metropolitan train station at 8:00 AM on a Monday morning, approaching commuters passing by to ask them to take part immediately.

Outline one weakness of using opportunity sampling to obtain participants for this study.

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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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