PSYCH211 Lecture Notes - Lecture 19: Theory Of Multiple Intelligences, Memory Span, Fluid And Crystallized Intelligence
24 Jul 2013
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One: stanford-binet: get 1 iq score, spearman and contemporary followers: one. Can be thought of as mental energy or efficiency of neural processing . G correlates with: school grades, and speed of neural transmission. Many: wechsler has two scales: verbal and performance, cattell: divided intelligence. Not all correlations are equal: all questions on iq tests correlate with each other but. Some questions correlate more strongly with each other than they correlate with others. Find two bundles: flud (verbal in wisc) & crystallized intelligence (performance in wisc: fluid: ability to think on the spot (understanding relations between new concepts, crystallized: factual knowledge (word meanings, state capitals, arithmetic) More support: different developmental rates: fluid: peaks at age 20 and then declines, crystallized: increases throughout life. A proposed resolution: carroll"s three-stratum theory of intelligence. Groups of specialized mental vehicles mental gas . Model is the product of 50 years of research on intelligence. Research goal: predict scores on memory task.
