John L. Horn Soundtracks

John Leonard Horn (September 7, 1928 – August 18, 2006) was a scholar, cognitive psychologist and a pioneer in developing theories of multiple intelligence. The structure of mental abilities For his PhD research at the University of Illinois, Horn identified other broad intellectual abilities to supplement fluid reasoning ability (gf) and crystallized ability (gc) postulated by his supervisor Raymond Cattell. As with Cattell, Horn rejected the existence of an even higher level factor of gene... Read more

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