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A Unifying Model for the Structure of Intellectual Abilities.
Peer reviewed Peer reviewed
Gustafsson, Jan-Eric. – Intelligence, 1984
This study was designed to test the reliability of five major models of the structure of cognitive abilities. A battery of 16 tests was administered to 1000 Swedish sixth graders. Based on the results, a three-level hierarchical LISREL-based model (the HILI-model) is suggested. (Author/EGS)
Descriptors: Cognitive Ability, Cognitive Tests, Factor Analysis, Factor Structure
Biosocial Influences on Sex Differences for Ability and Achievement Test Results as Well as Marks at School.
Peer reviewed Peer reviewed
Fischbein, Siv – Intelligence, 1990
A comparison was made of ability and achievement test results and school grades for 323 pairs of Swedish male and female twins and 740 controls in relation to social background. An interaction effect of sex and social background was found for verbal ability and mathematics test results. (SLD)
Descriptors: Ability, Academic Achievement, Achievement Tests, Aptitude Tests