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Kotsopoulos, Donna; Makosz, Samantha; Zambrzycka, Joanna; Dickson, Brandon A. – Early Child Development and Care, 2021
An enduring challenge in visual-spatial research has been to identify the factors contributing to individual differences in ability. This research investigated the overall, verbal, and nonverbal visual-spatial ability of 61 (34 boys) three- to five-year-olds (M[subscript age] = 57.3 months; SD = 7.9) and the following factors known to be related…
Descriptors: Individual Differences, Spatial Ability, Visual Perception, Preschool Children
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Jewsbury, Paul A.; Bowden, Stephen C.; Duff, Kevin – Journal of Psychoeducational Assessment, 2017
The Cattell-Horn-Carroll (CHC) model is a comprehensive model of the major dimensions of individual differences that underlie performance on cognitive tests. Studies evaluating the generality of the CHC model across test batteries, age, gender, and culture were reviewed and found to be overwhelmingly supportive. However, less research is available…
Descriptors: Intelligence Tests, Individual Differences, Executive Function, Neuropsychology
Featherstone, Helen J. – 1973
This study investigated whether various kinds of preschool programs have differential cognitive effects on different kinds of children. Relevant literature was reviewed and data, generated in the first 2 years of the Head Start Planned Variations Study (PVS), were analyzed. The eight preschool programs associated with the PVS were considered.…
Descriptors: Achievement, Age Differences, Educationally Disadvantaged, Individual Differences