High and low SES mothers of one- and three-year-old children (N=104) were interviewed. Results showed that low SES mothers believed that infants acquire basic cognitive skills later and that the introduction of cognitively stimulating activities should occur later than did high SES mothers. (JMB)

Investigates vocabulary acquisition in the context of joint picture-book reading in mother-infant dyads. Infants aged 17 to 22 months and their mothers, 20 middle-class and 20 lower-class dyads, were observed. In both groups interaction foucused on the eliciting or the provision of information. Results indicate several social class differences in…