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Chapter 9 thought, language, and intelligence

Linguistic 2 mathematical 3 visual spatial 4 musical

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Unformatted text preview: for mental skills, it forms a bell shaped curve known as a normal distribution The very center in an IQ test is given the score of 100 TheNatureofIntelligence - Psychometrics is the statistical study of psychological tests Attempts to identify and measure the abilities that underlie individual differences in performance and intelligence tests Uses factor analysis Analyzes patterns of correlations between test scores in order to discover clusters of measures that correlate highly with one another but not with measures in other clusters Eg. If 4 different tests all use mathematical test methods, then we can say that the underlying factor is "mathematical reasoning ability" Psychometric theorists disagree about what intelligence is Some say that it is a single global mental ability that cut across all that we would call thinking Others would say that it is a set of specific abilities to do different types of thinking - The g factor: intelligence as a general mental capacity Spearman observed that math grades and language grades, arithmetic reasoning and vocabulary abilities are almost always positively correlated Concluded that intellectual performance is determined partly by "general intelligence" (g) and partly by special abilities required to perform that particular task - Intelligence as specific mental abilities Thurstone claimed that correlation in different mental tasks are far from perfect Claimed that human mental performance depends on seven distinct abilities (pg. 385) known as primary mental abilities Claimed that performance in mental tasks is more influenced by specific abilities relevant to that task than any underlying g factor - Crystallized and fluid intelligence Current knowledge about the nature of mental abilities suggest a intermediate between Spearman and Thurstone's position as proposed by Raymond Cattell and John Horn Breaks down Spearman's general intelligence into crystallized intelligence and Psych 1000 My Notes Page 76 Breaks down Spearman's general intelligence into crystallized intelligence and fluid intelligence Crystallize...
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