Although dual language learners (DLLs) are linguistically, culturally, and socially diverse, researchers usually study them in aggregate and compare them to non-DLLs. The authors' purpose was to identify subgroups of preschool DLLs using latent class analysis. There were 7,361 DLLs and 69,457 non-DLLs. Results revealed three distinct classes.…

Reported here are the results of analyses to describe the patterns of identification and academic and developmental outcomes for children with disabilities, conducted as part of the 2004 National Assessment of the implementation of the Individuals with Disabilities Education Act (IDEA). This report provides background context for National…

A motor performance typology of boys and girls (ages 6-10 years) was developed, based on four factors extracted by factor analysis from data on 47 physical growth and motor performance variables. Nineteen variables which best described the four factor-defined components were used in formulating the person-clusters (typologies) following Tryon's…

This document is Part I of a two-part project whose goal was to identify the sequential development of child behavior from birth through age seven and to identify the materials which could be used to strengthen or initiate a behavioral facet. Research on child development was collected, organized, and analyzed for correlative events pertinent to…