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Question 57

Marcus conducted an experiment to investigate the effects of acoustic environment on task performance.

Participants were divided into two separate groups:

  • Condition A: Participants completed a proofreading task in complete silence.
  • Condition B: Participants completed the same proofreading task with white noise playing in the background.

Marcus recorded the total number of errors made by each participant. He then carried out a Mann-Whitney U test on his data.

State two reasons why Marcus chose to use a Mann-Whitney U test to analyze his data.

[2]
Markscheme

Methods Questions

  1. A Level
  2. /Psychology
  3. /Methods

638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.

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