PSY100Y5 Lecture Notes - Lecture 9: Intelligence Quotient, Intellectual Disability, Fluid And Crystallized Intelligence
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PSY100Y5 Full Course Notes
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Chapter 9 - intelligences & psychological thinking. Sunday, november 15, 2015. Intelligence is defined and shaped by culture. First popularized by sir francis galton. Mass testing at an exposition. Galton devised correlation procedure to examine relation between simple measures of intelligence plenty or smart poor people (vice- versa). The social class your born into is by chance. Simple measures of intelligence did not correlate with social class (reading/writing) Binet and simon devised a test to measure intellectual development in children. Devised mental age concept : ma = average age at which children achieve an actual score. To allow for comparison of test scores among persons, l. terman devised the concept of intelligence quotient (iq): Iq = (ma/ca) x 100. Frequency distribution of iq scores - normal population. Most people are within 1 sd of the average iq. Validity issues for iq tests. Validity - evidence/proof of what we"re measuring.