Growth Models: Longitudinal Data as Multilevel Data

In this chapterchange as the object of study; time as a predictor, its metric, and its origin; exploring longitudinal data; the unconditional means and unconditional growth models; polynomial and piecewise trajectories; time-invariant and time-varying predictors; the Riesby final model; repeated-measures ANOVA and MANOVA as special cases; missing occasions and dropout; reporting a growth model.