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Bereiter, Carl – Harvard Educ Rev, 1969
Descriptors: Compensatory Education, Heredity, Individual Differences, Intellectual Development

Ramey, Craig T.; Haskins, Ron – Intelligence, 1981
Infants judged to be at risk for subnormal intellectual growth were randomly assigned to experimental and control groups which varied as to educational curriculum activities. Two types of evidence, group differences and parent-child IQ correlations, demonstrate the importance of early environments in intellectual development. (Author/RD)
Descriptors: Control Groups, Day Care, Developmental Programs, Early Experience