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Scientific processes

Scientific processes

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Question 50

A sports scientist wants to investigate the effectiveness of a new electrolyte-infused recovery drink compared to plain water. They recruit a sample of 30 marathon runners.

All participants completed one of two conditions:

  • Group A: 15 runners drank the electrolyte-infused recovery drink immediately after a grueling training run, and their muscle soreness was rated on a scale of 111 to 101010 after 24 hours.
  • Group B: 15 different runners drank plain water immediately after the same training run, and their muscle soreness was rated on the same scale after 24 hours.

Name the experimental design used in this study. Evaluate the choice of this design in this study.

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Markscheme

Scientific processes Questions

  1. A Level
  2. /Psychology
  3. /Scientific processes

689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.

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