RETEST RELIABILITY By Nugent, Pam M.S. - April 28, 2013 Estimation of the accuracy of a test or measurement material, attained from the correlation of scores for the same individual when the test is administered twice. Also known as: test-retest reliability. RETEST RELIABILITY: "Retest reliability allows an estimation of the accuracy of a test." Related Psychology Terms RELIABILITY OF COMPOSITES REGRESSION EFFECT BANDING SPEARMAN-BROWN PROPHECY FORMULA RELIABILITY OF COMPONENTS RELIABILITY CALIFORNIA PSYCHOLOGICAL INVENTORY (CPI) GROUP TEST INTERSCORER RELIABILITY REPRESSIVE COPING STYLE Cite this page: Nugent, Pam M.S., "RETEST RELIABILITY," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/retest-reliability/ (accessed January 16, 2019).