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Simonton, Dean Keith – Gifted Child Quarterly, 2020
With just one exception, all of the volumes in Terman's Genetic Studies of Genius report the results of a longitudinal study of more than a thousand intellectually gifted children. That single exception is Volume II, Cox's single-authored "The Early Mental Traits of Three Hundred Geniuses," which instead was a retrospective study of 301…
Descriptors: Gifted, Individual Characteristics, Intelligence Quotient, History
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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