Intelligence_1_Outline-2 - PSYC 1101-I 03/02/2010...

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PSYC 1101-I 03/02/2010 Intelligence – Part I General outline What is the nature of intelligence? How do we measure intelligence? What is INTELLIGENCE? How do you know someone is intelligent? How can you measure intelligence? What kind of tasks/questions will you give? I. The Nature of Intelligence 1. Charles Spearman and his Two Factor Theory A General Ability? ‘g’ -Charles Spearman(1863-1945) -G: a person will perform either well on all of a variety of tasks or poorly on all od those tasks. -Studied Children’s Perceptual abilities -Correlated with: Grades in school Teacher evaluations - Obtained positive correlations (but not perfect correlations) - Proposed the ‘two factor theory’ - G: general ability - S; skills specific to the task - Performance on a task: G+S - E.g. playing the piano= G+ musical pitch perception - Math test performance= G+ math skills g: general mental ability s: specific abilities 2. Thurstone and his theory of Primary Mental Abilities No g! Primary mental abilities: Word fluency Verbal Comprehension Number Space Memory Perceptual Speed Reasoning No g. Primary abilities are independent from each other. e.g. strong verbal abilities, weak numerical abilities 3. The compromise: Carroll’s 3-stratum theory G: general ability(such as that identified by spearman) Mid level abilities(thurstone) Specific abilities(spearman) Middle level abilities
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PSYC 1101-I 03/02/2010 Examination of data from hundreds of research throughout the century>> Carroll’s 3-stratum theory 1. Fluid Intelligence: Ability to process information. –Reasoning , problem solving, dealing with new situations. How many candy mints can you buy for 50 cents at the rate of 2 for 5 cents? 2. Crystallized Intelligence: Amount of available information. -Knowledge gained through schooling or culture. Who was the first man to walk on the moon -Neil Armstrong 3. Learning ability 4. Visual perception (spatial ability) 5. Auditory perception 6. Retrielval ability 7. Processing speed. 4. Some examples of the questions that go into intelligence tests in the US.
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This note was uploaded on 07/14/2010 for the course PSYC 1101 taught by Professor Leader during the Spring '07 term at Georgia Tech.

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Intelligence_1_Outline-2 - PSYC 1101-I 03/02/2010...

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