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