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Download full textGreen, Kathy E.; Kluever, Raymond C. – 1991
Item components that might contribute to the difficulty of items on the Raven Colored Progressive Matrices (CPM) and the Standard Progressive Matrices (SPM) were studied. Subjects providing responses to CPM items were 269 children aged 2 years 9 months to 11 years 8 months, most of whom were referred for testing as potentially gifted. A second…
Descriptors: Academically Gifted, Children, Comparative Testing, Difficulty Level
Peer reviewedEckstein, Shulamith Graus – Developmental Review, 2000
Extends dynamic model of cognitive growth proposed by van Geert in three directions: (1) added a term to consider exposure to material to be learned; (2) developed method to apply model to cross-sectional studies; and (3) developed procedure to scale cognitive abilities tests with items of varying difficulty. Tests model with 2- to 15-year-olds'…
Descriptors: Adolescents, Children, Cognitive Ability, Cognitive Development
