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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 150

A researcher investigating the impact of sleep deprivation on short-term memory capacity decides to change the significance level (α\alphaα) used for their statistical analysis from 0.01 (1%) to 0.05 (5%).

Which of the following correctly describes the effect of this change on the probabilities of committing Type I and Type II errors?

A

The probability of committing a Type I error decreases, while the probability of committing a Type II error increases.

B

The probability of committing a Type I error increases, while the probability of committing a Type II error decreases.

C

The probability of committing both Type I and Type II errors increases.

D

The probability of committing both Type I and Type II errors decreases.

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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