Piecewise latent growth modeling (PLGM) is a class of longitudinal models using a structural equation modeling framework to describe stage-like, discontinuous change of individuals over time. PLGM breaks the overall time window into non-overlapped segments where separate functions can be fitted to represent differential growth patterns for each…

With tightened school budgets, school administrators need to know the short term and long range effects of providing gifted programs at the elementary level. Programming opportunities in elementary school have direct impact on middle school and this, in turn impacts high school and college course selection. This study used the Early Childhood…