Examined cognitive and socioemotional development of 733 children from age 4 until age 8 as a function of quality of their preschool experiences. Found evidence that care quality has a modest long-term effect on cognitive and socioemotional development at least through kindergarten. Classroom practices related to language and academic skills. The…

This paper examines the effects of unavoidable pollutants on fetal development in humans. Inevitable pollutants such as radiation, pesticides, gases and lead found in the air, water, and food of our industrialized society are discussed as well as psychological correlates of industrialization and urbanization such as stress, increased noise levels…

Examined thresholds for two aspects of child care: adult-child ratio and group size. Investigated associations among different levels of these variables and with quality of care and children's social development. Findings suggest that meeting licensing standards for ratios and groups has a positive effect on ratings of the quality of care provided…

Since a substantial majority of preschoolers participate in some form of child care before coming to school, the Cost, Quality, and Child Outcomes in Child Care Centers Study (CQO) was designed to examine the influence of typical center-based child care on children's development during their preschool years and as they move into formal elementary…