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Scientific processes

Scientific processes

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Question 356

Investigation into Commuter Stress

A municipal transport authority is conducting a study to compare the daily stress levels of different types of commuters using a standardised psychological stress questionnaire.

  • Group A consists of a volunteer sample of commuters who responded to an online survey link posted on a social media forum dedicated to long-distance train "super-commuters".
  • Group B (the baseline group) consists of an opportunity sample of individuals interviewed on a single platform at a central station between 14:00 and 15:00 on a Wednesday afternoon.

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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