Behavioral observations have the advantages of being direct, tangible, and informative as to the contextual determinants of behavior. Considerable evidence exists that a three-dimensional structure gives meaning to many child behaviors in a variety of life settings. Three bipolar dimensions constitute this framework: introversion vs. extroversion,…

Studied whether behavioral styles at age 3 are linked to personality traits at age 18 after identifying 5 temperament groups (undercontrolled, inhibited, confident, reserved, and well-adjusted). Results pointed to continuities across time. (DR)

A two-year study of preschoolers attempted to identify emotions and prosocial behaviors that reliably predict teachers' ratings of young preschoolers' affective and behavioral social-emotional competence. Results showed that observed emotion, especially anger and sadness, often predicted teacher ratings of social-emotional competence in…

The current investigation was designed to examine the provision of cognitive stimulation to preschool-aged children from high-risk families. Participants were drawn from the Concordia Longitudinal Risk Project, a prospective, longitudinal investigation of individuals recruited in 1976-77 from lower SES neighbourhoods who were rated by childhood…

This article reviews 46 experimental studies on behavioral and developmental outcomes associated with prenatal exposure to illicit drugs. Only half of the 460 individual outcomes significantly indicated adverse effects of prenatal exposure. The greatest number of these outcomes was for infants younger than one month, with relatively few outcomes…