Latent structureScale / measurement

Longitudinal Discriminant Validity

Longitudinal discriminant validity tests whether a psychological construct measured at two or more time points is empirically distinct across occasions — ensuring that the same construct does not collapse into a single undifferentiated mass over time. It is a prerequisite for meaningful change modeling in panel and longitudinal research.

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Sources

  1. Cole, D. A. & Maxwell, S. E. (1993). Testing mediational models with longitudinal data: Questions and tips in the use of structural equation modeling. Journal of Abnormal Psychology, 112(4), 558–577. DOI: 10.1037/0021-843X.112.4.558
  2. Vandenberg, R. J. & Lance, C. E. (2000). A review and synthesis of the measurement invariance literature: Suggestions, practices, and recommendations for organizational research. Organizational Research Methods, 3(1), 4–70. DOI: 10.1177/109442810031002

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Referenced by

ScholarGateLongitudinal Discriminant Validity (Longitudinal Discriminant Validity). Retrieved 2026-06-04 from https://scholargate.app/en/psychometrics/longitudinal-discriminant-validity