A sports psychologist wants to ensure that a newly designed behavioral checklist for assessing competitive anxiety in footballers is consistent. They instruct two assistant coaches to independently observe and score the same group of players during a training match, then calculate the correlation coefficient between the two sets of ratings.
Which of the following is the psychologist primarily assessing?
Split-half reliability
Test-retest reliability
Inter-rater reliability
Concurrent validity
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.