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Question 38

A developmental psychologist is planning to investigate how executive function changes across the lifespan. They are deciding between two research designs:

  • Design A: A longitudinal study tracking a single cohort of 100 participants from age 10 to age 70.
  • Design B: A cross-sectional study comparing seven different age groups (ages 10, 20, 30, 40, 50, 60, and 70) over a six-month period.

Explain one improvement that could be made to Design A and one improvement that could be made to Design B.

[4]
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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