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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 248

A researcher investigating the impact of a new cognitive behavioural therapy (CBT) program on anxiety levels sets their significance level at p≤0.025p \leq 0.025p≤0.025. Which of the following correctly describes the probability of obtaining a significant result by chance alone under this criterion?

A

less than 2.5%2.5\%2.5%

B

at most 2.5%2.5\%2.5%

C

at least 97.5%97.5\%97.5%

D

at most 0.25%0.25\%0.25%

Markscheme

Data recording, analysis and presentation Questions

  1. A Level
  2. /Psychology
  3. /Data recording, analysis and presentation

513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.

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