A sports psychologist designs a new coding scheme to measure team cohesion during training sessions. To evaluate the consistency of this measurement tool, she has two independent coaches use the coding scheme to rate the cohesion levels of 25 players during the same training session. She then calculates a correlation coefficient between the two sets of ratings.
Which type of reliability is the psychologist primarily attempting to establish?
Test-retest reliability
Inter-observer reliability
Split-half reliability
Face 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.