Considers claims from sex-comparative research that sex-related differences are small, unusually unstable across studies, very often artifactual, and inconsistent with the content of gender stereotypes. The article contends that feminism created a political climate that has led to research that inaccurately minimizes psychological gender…

As part of a national evaluation of Head Start, a comparison of school readiness and childhood development approaches to preschool education was attempted, but major methodological problems were encountered. It was not possible to find the study samples called for in the original plan, i.e. a child-readiness program of the Bereiter-Engelmann type,…

The findings of nine studies comparing the symbolic play of middle-class and lower-class children are summarized and examined in detail. Related research problems are discussed and directions for future research are indicated. Examination of the studies indicated that few general conclusions can be drawn from them about the relative quality of…

The Early Childhood Longitudinal Study-Kindergarten Class of 1998-99 (ECLS-K), selected a nationally representative sample of approximately 22,000 kindergartners in the fall of 1998 and is following these children through the end of the fifth grade. Baseline data about these children, their families, and their kindergarten programs were collected…