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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 224

In a study investigating the relationship between physiological arousal and memory recall, a researcher measures the galvanic skin response (GSR) of participants in microsiemens (μS\mu\text{S}μS). The variance of the participants' peak arousal levels during a stressful task is calculated to be 2.25.

What is the standard deviation of these peak arousal levels?

A

1.131.131.13

B

5.065.065.06

C

4.504.504.50

D

1.501.501.50

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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