#REDIRECT RepeatabilityTest-retest reliability refers a measure of consistency of a psychological test or assessment. This kind of reliability is used to assess the consistency of a test across time. Test-retest reliability is best used for things that are stable over time, such as intelligence.

Test-retest reliability is measured by administering a test twice at two different points in time. This type of reliability assumes that there will be no change in the quality or construct being measured.