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Research methods and techniques

Research methods and techniques

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Question 50

An occupational psychologist administered four different psychometric scales measuring executive cognitive function to a cohort of corporate executives on two separate occasions, three weeks apart, to assess test-retest reliability.

Table 1: Mean executive function scores from Session 1 and Session 2

ScaleMean from Session 1Mean from Session 2
Scale Alpha72.595.1
Scale Beta14.821.3
Scale Gamma110.3108.9
Scale Delta45.645.1

Using the data in Table 1, which scale has the highest level of external reliability?

A

Scale Alpha

B

Scale Beta

C

Scale Gamma

D

Scale Delta

Markscheme

Research methods and techniques Questions

  1. A Level
  2. /Psychology
  3. /Research methods and techniques

644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.

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