Reviews data from the "High School and Beyond" study to examine sibling intellectual symmetry and the degree to which family background affects the siblings' intellectual ability. Finds considerable symmetry in intellectual skills. Discovers little impact on symmetry from gender or birth order. (CFR)

Several common assumptions about human intelligence are challenged in this paper. The "bucket" theory of intelligence describes intelligence as a stable psychological characteristic which affects learning, and which, when accurately measured, predicts an individual's learning capacity. The authors reject the idea that people who have…

Differences in learning processes were studied in more versus less intellectually able undergraduate students. Thirty subjects were selected to represent a wide range of general and mathematical reasoning abilities, based on the following test scores: Necessary Arithmetic Operations and Vocabulary Test V2 from the Educational Testing Service ETS…