Piecewise latent growth models: beyond modeling linear-linear processes.

Jeffrey R Harring1, Marian M Strazzeri2, Shelley A Blozis3

  • 1Measurement, Statistics and Evaluation Program, Department of Human Development and Quantitative Methodology, 3492 Campus Drive, 1230-E Benjamin Building, University of Maryland, College Park, MD, 20742-1115, USA. harring@umd.edu.

Summary

This study extends piecewise latent growth models (LGMs) beyond linear processes to include higher-order polynomials, three-phase models, and nonlinear functions. These advanced LGMs allow for flexible estimation of changepoints, aiding psychological research.

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