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Golden, Mark; And Others – 1969
In an effort to isolate the emergence and causes of social class differences in intellectual performance, this longitudinal study was undertaken as a follow-up on a cross-sectional study that yielded no social class differences on the Cattell Infant Intelligence Scale for 12-, 18-, and 24-month-old black children. In the present study, 89 children…
Descriptors: Blacks, Cognitive Development, Environmental Influences, Health Conditions
Carew, Jean V.; And Others – 1975
This longitudinal study attempted to assess how environmental factors affect the development of competence, as defined by White, by delineating in detail the everyday environmental transactions of a group of children from age 1 to 3. The key questions of this research were: (1) Are certain experiences encountered by the young child in his everyday…
Descriptors: Cognitive Development, Competence, Environmental Influences, Infants
Ramey, Craig T.; Haskins, Ron – 1979
Infants judged to be at risk for subnormal intellectual growth were randomly assigned to an experimental (N=27) or a control (N=25) group. Infants in both groups received medical care and dietary supplements; their families received social work services on a request basis. Experimental children participated in an educational day care program…
Descriptors: Child Development, Day Care, Early Childhood Education, Early Experience

Trueman, Mark – Early Child Development and Care, 1985
Critically reviews the influential study "Malnutrition and Environmental Enrichment" by Winick et al. (1975) and highlights what are considered to be statistical flaws in its analysis. Data in the classic study of height, weight, and IQ changes in three groups of adopted, malnourished Korean girls are reanalysed and conclusions…
Descriptors: Academic Achievement, Adopted Children, Body Height, Body Weight

Fischbein, Siv – Intelligence, 1980
Swedish longitudinal studies of twins support Scarr-Salapatek's explanation of nature-nurture influences on intelligence. This model predicts more genetic variance in test results for advantaged than disadvantaged groups. Jensen's work, however, suggests equal amounts of variance among different social classes. (Author/CP)
Descriptors: Cognitive Ability, Disadvantaged Youth, Elementary Education, Environmental Influences
BENNING, JAMES J.; AND OTHERS – 1968
A FIVE-YEAR LONGITUDINAL STUDY WAS CONDUCTED OF 1550 CHILDREN, 384 OF WHOM WERE INTENSIVELY STUDIED AFTER BEING IDENTIFIED BY THEIR TEACHERS AS DEMONSTRATING SOCIALLY APPROVED OR SOCIALLY DISAPPROVED BEHAVIOR. AFTER 5 YEARS, THE SOCIALLY DISRUPTIVE GROUP OF 192 STUDENTS WAS LOWER IN ACADEMIC ACHIEVEMENT AND SOCIAL ADJUSTMENT THAN THEIR APPROVED…
Descriptors: Achievement Rating, Aggression, Antisocial Behavior, Delinquency