Describes an investigation into the effects of a mathematical educational model on prison inmate self-esteem. The study found that such a model did increase self-esteem and showed specific potential as a vehicle for raising the self-esteem of Black males. (CT)

Used data from National Longitudinal Survey of Youth to model developmental trajectories across middle childhood. Found that individual trajectories were extremely diverse in level and sometimes in slope. Compared to girls, boys had heterogeneous slopes for math and behavior problems. Compared to boys, girls showed a significantly higher degree of…