PSY100H1 Chapter Notes - Chapter 9.2: Factor Analysis, Stereotype Threat, Fluid And Crystallized Intelligence
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PSY100H1 Full Course Notes
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A savant is an individual with low mental capacity in most domains but extraordinary abilities in other specific areas such as music, mathematics, or art. Intelligence involves the ability to think, understand, reason, learn and find solutions to problems. Intelligence should manifest itself in many different domains, not just 1 or 2. Factor analysis is a statistical technique that examines correlations between variables to find clusters of related variables, o(cid:396) (cid:862)fa(cid:272)to(cid:396)s(cid:863). For there to be an overarching general ability called (cid:862)i(cid:374)tellige(cid:374)(cid:272)e(cid:863), o(cid:374)e (cid:449)ould e(cid:454)pe(cid:272)t that tests of diffe(cid:396)e(cid:374)t t(cid:455)pes of a(cid:271)ilities (cid:449)ould all (cid:272)o(cid:396)(cid:396)elate (cid:449)ith ea(cid:272)h other, forming only one factor. Spearman found that kids grades in different subjects were positively correlated, even though they were diffe(cid:396)e(cid:374)t topi(cid:272)s. this lead to pea(cid:396)(cid:373)a(cid:374)"s h(cid:455)pothesis of the general intelligence factor. The general intelligence factor predicts many important phenomena. The general intelligence factor predicts how long a person will stay in school, as well as how much they will earn afterwards.
