Examined evidence for transitions in first and second graders' analogical reasoning, over a six-month period. Found strong evidence for bimodality in test performance frequency distributions and weaker evidence for inaccessibility in frequency distributions. Transitional subjects showed a temporary increase of inconsistent solution behavior and…

Maintains that a major theme in Lev Vygotsky's later research was concept formation or conceptual development in child development. States that Vygotsky argued that the acquisition of mature academic concepts forms the crowning achievement of adolescence. Argues that the view raises a number of criticisms. (CFR)

Expanded from its previous edition to include ages 13 and 14, this book provides teachers and parents with a quick reference on important childhood developmental issues, explaining what children should be learning and doing in the classroom at each developmental stage. The book begins by discussing how developmental issues can affect…

This longitudinal study used repeated measures analysis of variance (RM ANOVA) and latent growth curve modeling to examine behavior change in 228 elementary school students over grades 1, 2, and 3 who varied in risk status. Of particular interest were the developmental trajectories for behaviors along four dimensions as rated yearly by teachers on…