A researcher develops a new psychometric scale to measure occupational stress. To evaluate its consistency over time, she administers the scale to a group of 100 corporate employees on two separate occasions, exactly two weeks apart, under identical conditions.
Which of the following is the researcher assessing?
Concurrent validity
Inter-rater reliability
Test-retest reliability
Split-half reliability
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.