Infants from low socioeconomic status families were randomly assigned to either an instructional day care program designed to prevent socioculturally caused mental retardation or to a nonintervention control group. The effects of these environments were then compared for fetally malnourished infants in terms of later intellectual functioning and…

Normal, first-born children of two-parent, self-supporting families (N=60) were divided into three groups at birth: control, mothers receiving a specific language stimulation program, and both parents receiving the program simultaneously. Infants whose parents received simultaneous training exhibited the greatest gain over 4 1/2 months in Bayley…

Investigates levels and patterns of intellectual development of 131 socioeconomically disadvantaged children in university-based intervention group day care or community day care, or with little or no day care. Results suggest that high quality day care may positively change the intellectual development of socioeconomically disadvantaged children.…