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Research methods and techniques

Research methods and techniques

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Question 66

A transport research group is conducting a study to investigate the impact of a newly introduced clean air zone on the daily travel expenses of residents in a city. They decide to use stratified sampling to select a sample of 120 residents, ensuring that different distance bands from the city centre (Zone 1: Inner City, Zone 2: Suburbs, and Zone 3: Outer Ring) are proportionally represented.

Outline one strength of using stratified sampling to obtain the participants for this study.

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Markscheme

Research methods and techniques Questions

  1. A Level
  2. /Psychology
  3. /Research methods and techniques

644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.

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