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Scientific processes

Scientific processes

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Question 67

Study of Restrained Eating

In a study of restrained eating behaviour, researchers used a Likert-style dieting restraint scale to compare two groups of participants.

  • Group A consisted of a volunteer sample of individuals who attended a local commercial weight-loss programme.
  • Group B (the control group) consisted of a volunteer sample of administrative staff at a local university.

The researchers used an inferential statistical test to see if there was a significant difference in restrained eating scores between the two groups.

Explain one reason why there might be a problem of bias and generalisation in this study. How could the researchers modify their study to deal with this problem?

[4]
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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