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Planning and conducting research

Planning and conducting research

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Question 31

A researcher is investigating the effect of sleep duration on cognitive performance. Which of the following is a null hypothesis for this study?

A

'There will be no significant difference in cognitive performance test scores between participants who sleep for under 666 hours and those who sleep for over 888 hours.'

B

'Participants who sleep for under 666 hours will score significantly lower on a cognitive performance test than participants who sleep for over 888 hours.'

C

'There will be a significant difference in cognitive performance test scores between participants who sleep for under 666 hours and those who sleep for over 888 hours.'

D

'There will be a significant negative correlation between the number of hours of sleep and cognitive performance test scores.'

Markscheme

Planning and conducting research Questions

  1. A Level
  2. /Psychology
  3. /Planning and conducting research

201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.

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