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What reliability means

What reliability means

Concept map of reliability showing internal reliability with split-half, external reliability with test-retest and inter-rater, and a note that reliability does not always mean validity

Psychologists often study constructs such as anxiety, memory, or aggression. A measure is only useful if it gives consistent results rather than changing randomly.

Reliability Lesson

  1. A Level
  2. /Psychology
  3. /Reliability

Step-by-step lessons covering Eduqas A Level Psychology Reliability for A Level Psychology. Each lesson works through exam-style questions in Component 1, Component 2 and Component 3 format. Start with the compulsory core topics before tackling the more evaluation-heavy optional and issues-and-debates content.

Lessons