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Dumaret, A. C.; Duyme, M.; Tomkiewicz, S. – Early Child Development and Care, 1998
Examined major discriminating factors for cognitive development in high-IQ and low-IQ children in child care who had been adopted after age four. Found that birth rank, maternal mental retardation, pregnancy/delivery complications, severe prematurity or low birthweight, and number of hospitalizations differentiated the two groups. Over time, IQs…
Descriptors: Adopted Children, At Risk Persons, Cognitive Development, Comparative Analysis
Byrne, David R. – 1974
The longitudinal study examined the dropout rate of a group of Chicano students who were registered 7th graders in the Tooele School District in the 1967-68 school year. If these students made normal progress, they graduated from high school at the end of the 1972-73 school year. All Spanish-surname students found on the 7th grade rosters of…
Descriptors: Academic Achievement, Age, Comparative Analysis, Dropout Rate
Yarborough, Betty H.; And Others – 1976
An experimental group of 51 students from non-graded and three matched groups of 187 pupils from graded programs were studied to determine the relative effectiveness of non-graded and graded approaches to elementary education and whether any differences found at the end of six years of schooling remained after both groups had been exposed to a…
Descriptors: Affective Behavior, Affective Measures, Cognitive Processes, Cognitive Tests