An educational psychologist administers a newly developed spatial reasoning test to a cohort of 50 students. Exactly three weeks later, under identical environmental conditions, the same group of students retakes the same test. The psychologist correlates the two sets of scores to determine if the assessment tool produces consistent results over time.
What is being assessed here?
Internal validity
External reliability
External validity
Internal 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.