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Blaga, Otilia M.; Shaddy, D. Jill; Anderson, Christa J.; Kannass, Kathleen N.; Little, Todd D.; Colombo, John – Intelligence, 2009
We evaluated over 200 participants semiannually from 12 to 48 months of age on measures of intellectual (Bayley Scales, Stanford-Binet Scale) and verbal (MacArthur-Bates Inventory, Peabody Picture Vocabulary Test) status. Structural equation modeling and hierarchical linear (growth curve) analyses were applied to address the nature of development…
Descriptors: Structural Equation Models, Preschool Children, Infants, Intellectual Development
Sulzer, Jefferson L. – 1970
Does nutritional deficiency retard psychological development? The Tulane Nutrition Study reports the first segment of its research based on extensive analysis of psychological and nutritional data gathered predominately on children who attended five, 6-week Head Start programs. Scores on a battery of eight psychological tests and two hematological…
Descriptors: Biological Influences, Data Analysis, Individual Differences, Intellectual Development