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Research methods and techniques

Research methods and techniques

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Question 211

A sports scientist wants to compare the reaction times of e-sports players before and after consuming a high-caffeine energy drink. Initially, they planned to conduct a related t-test, but after analyzing their dataset, they chose to use the Wilcoxon Signed-Ranks test instead.

State two criteria regarding the data or population distribution that must be satisfied to justify using a parametric test (such as a related t-test) rather than a non-parametric alternative.

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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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