Used Smilansky and Parten/Piaget play measures to assess social class and sex differences in Singapore preschoolers' play at home and preschool centers. Found that parallel and functional play were higher at home than in centers and associative/cooperative play was higher in centers than homes. Smilansky scores were higher at centers than homes,…

Investigated the relationship between joint attention and toddler's race, sex, and SES. Found that joint attention related to a "persisting" mother, whether or not the toddler accepted the initial maternal bid. Females engaged in joint attention bouts and nonpersistent maternal responses after the bid was accepted more often than males. Race and…

Using naturalistic observation, investigates the social behavior, levels of social participation, and sex differences of kindergarten children as they played with blocks. Uses both unit blocks and large, hollow blocks to gain a more complete understanding of the relationship between block play and social development. (DST)

Examined relationship between socioeconomic status (SES) and mediated learning experience (MLE) in mother-child free-play and structured interaction situations, and how well MLE predicted cognitive performance of kindergartners. Found that MLE scores were positively related to SES, and higher in free-play than in structured situations, especially…