Longitudinal data concerning fear responses in 30 boys and 30 girls observed from ages one month to 8 1/2 years suggest that in males--but not in females--a predisposition to a particular level of fearfulness is set by events that occurred before 6 months of age. (Author/MG)

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 measurement of behavioral effectiveness in a longitudinal study of children in urban classrooms is presented. The specific nature of behavioral difficulties from kindergarten to third-grade, the stability of behavior patterns over this four year period, the relation between behavioral effectiveness and traditional measures of achievement…

Using a longitudinal design, investigates the interactive behaviors of mothers of normal infants and mothers of infants who are known to differ on a host of cognitive, behavioral, and biological parameters. Examines the developmental course of emotional expressivity in these infants. (HOD)

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…

Investigated the influence of child intellectual/adaptive functioning and maternal sensitivity on attachment security, using a sample of children with Down syndrome. Found a relationship between attachment security in DS related to the interaction of maternal sensitivity and cognitive competence. (JPB)

The first phase of an 8-year longitudinal study of the onset and development of delinquency and behavior problems recruited 400 eight- and nine-year-old boys in a densely populated working class urban district. Assessment was made through psychological tests, teachers' and psychiatric social workers' reports, and parent interviews and…