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Reliability in Psychology: Definition, Types & Examples
by Yum Yum Mama Team October 29, 2025

Learn what reliability means in psychology, the four main types — test–retest, inter-rater, internal, and external — plus how psychologists test and improve consistent results.

Posted in a level psychology, a level psychology research methods, external reliability, inter-rater reliability, internal reliability, reliability in psychology, reliability vs validity, test–retest reliability, types of reliability

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