Latent structureScale / measurement

Longitudinal Scale Development

Longitudinal scale development is the systematic process of constructing and validating a measurement instrument using data collected at multiple time points. It extends classical scale development by additionally testing whether the scale measures the same construct in the same metric across occasions, enabling valid tracking of change over time.

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Sources

  1. Millsap, R. E. (2011). Statistical Approaches to Measurement Invariance. Routledge. ISBN: 978-0805864311
  2. Little, T. D. (2013). Longitudinal Structural Equation Modeling. Guilford Press. ISBN: 978-1462510160

Related methods

ScholarGateLongitudinal scale development (Longitudinal Scale Development). Retrieved 2026-06-04 from https://scholargate.app/en/psychometrics/longitudinal-scale-development