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Download full textGray, William M.
Piaget has hypothesized that concrete and formal operations can be described by specific logical models. The present study focused on assessing various aspects of four concrete operational groupings and two variations of two formal operational characteristics. Six hundred twenty-two 9-14 year old students participating in the Human Sciences…
Descriptors: Abstract Reasoning, Cognitive Development, Cognitive Processes, Cognitive Tests
Peer reviewedLim, Tock Keng – Intelligence, 1994
Confirmatory factor analysis was used to test first- and second-order factor models on cognitive abilities and their invariance across samples of 234 male and 225 female secondary school students. Factor models suggest that males and females may use different problem-solving strategies for spatial analogies, matrices, and numerical problems. (SLD)
Descriptors: Cognitive Ability, Factor Analysis, Factor Structure, Females
