Object exploration is considered a driver of motor, cognitive, and social development. However, little is known about how early childhood education and care settings facilitate object exploration. This study examined if children's exploration of objects during free play was facilitated by the use of particular spatial components (floor, tables,…

Head Start enhances school readiness during preschool, but effects diminish after children transition into kindergarten. Designed to promote sustained gains, the Research-based Developmentally Informed (REDI) Parent program (REDI-P) provided home visits before and after the kindergarten transition, giving parents evidence-based learning games,…

Concludes that the movement from parallel play to group play may be more a matter of minutes that months. For the 41 children observed, who ranged in age from 32 to 42 months, parallel play often functioned in the stream of activities as a bridge to group play. (Author/RH)

Eight stump-tailed macaques were reared individually and either given all of their daily social experience in darkness or given half in the dark and half in the light. Results suggest that vision is especially important in the maintenance of assertive behaviors and in the instigation and direction of aggressive behaviors. (Author/RH)

Assessed the extent to which preferential personal attraction was associated with behavioral similarity among newly acquainted children. Found that "discriminating" children were more behaviorally similar to preferred playmates than nonpreferred playmates, both in terms of cognitive play style and social participation. (AA)

Considers the nature and developmental functions of physical activity play. Distinguishes three kinds of physical activity play with consecutive age peaks: rhythmic stereotypies, exercise play, and rough-and-tumble play. Considers gender differences and function in terms of immediate and deferred consequences in physical, cognitive, and social…