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Scientific processes

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Question 215

Hydration and Performance Study

A sports scientist conducted a study using a repeated measures design to investigate whether the type of pre-workout beverage affects 5 km running performance.

  • Condition 1: Participants consume a high-electrolyte sports drink (Drink A) 30 minutes before running.
  • Condition 2: Participants consume an organic beetroot juice extract (Drink B) 30 minutes before running.

Forty recreational runners took part in this study, and the scientist used counterbalancing.

Explain how counterbalancing could have been used in this experiment.

[2]

Scientific processes Questions

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

Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank