As part of a continuing evaluation of the Swedish school system, changes in intelligence test scores from 1960 to 1995 were studied in relation to cohort, gender, and socioeconomic background. Changes in verbal, spatial, and reasoning ability were studied by comparing results on identical tests given to representative samples of Swedish…

This longitudinal study examined the experiences of out-of-home preschool child care to performance and adjustment in elementary school. Subjects were 145 children in Goteborg, Sweden, who were on average 16 months of age when they were enrolled in this study. Within 4 weeks of enrollment in the study, 54 children began center-based day care, 36…