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Test-Retest Reliability
Test-retest reliability quantifies the temporal consistency of a measure by correlating scores obtained from the same participants on two separate occasions. It is a cornerstone of psychometric validation, directly indicating whether a scale or instrument yields stable scores when the underlying construct has not changed.
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Sources
- Nunnally, J. C. & Bernstein, I. H. (1994). Psychometric Theory (3rd ed.). McGraw-Hill. ISBN: 978-0070478497
- Anastasi, A. & Urbina, S. (1997). Psychological Testing (7th ed.). Prentice Hall. ISBN: 978-0023030857
Related methods
Referenced by
CAT Generalizability TheoryCAT Test-Retest ReliabilityComputerized adaptive test reliability analysisGeneralizability TheoryLongitudinal Construct ValidityLongitudinal Cronbach's AlphaLongitudinal Item AnalysisLongitudinal McDonald's omegaLongitudinal Reliability AnalysisLongitudinal scale developmentLongitudinal Test-Retest ReliabilityMulti-group test-retest reliabilityMultilevel Test-Retest ReliabilityOrdinal Test-Retest ReliabilityShort-form reliability analysisShort-form test-retest reliability