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Binet developed the first I.Q. test.
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Famous challenge of Pierre de Fermat. Challenged mathematicians and baffled their minds. Andrew Wiles had finally come to a solution which lead to discovery of creativity.
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William Stern developed the original formula for the Intelligence Quotient after studying the scores on Binet's test.
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The Stanford-Binet intelligence test was published in the United States.
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Robert Yerkes developed the Army Alpha and Beta Tests to measure intelligence in a group format. The following year, these tests were adopted and used for the new recruits.
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Edward Thorndike proposed the concept of social intelligence in comprehending social situations and managing oneself successfully.
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Scholastic Aptitude Test (SAT) was introduced so colleges could screen prospective students.
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Wechsler-Bellevue Intelligence Test was published. It eventually became the most widely used intellectual assessment.
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Raymond Cattell proposed two types of cognitive abilities in a revision of Spearman's concept of general intelligence: Fluid and Crystalized intelligence.
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J.P. Guilford's Structure of Intellect model used three dimensions which when combined yielded a total of 120 types of intelligence. Eventually faded out.
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Howard Gardner introduced his theory of multiple intelligence, which differentiates intelligence into 8 specific intelligences.
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Robert Sternberg proposes his triarchic theory of intelligences: analytical, creative, and practical intelligence.
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Brain damage reports provide extreme examples of lessened emotional intelligence in people with high general intelligence,
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Einstein's brain was studied, and revealed to be 15 percent larger in the lower parietal region--the area of mathematical and spacial information processing occurs.
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Anders Ericsson reports 10-year rule for common ingredient of expert performance is "about 10 years of intese, daily practice".
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Children and teens ages 5 to 19 went through repeated brain scans. This revealed that kids with an average intelligence score showed modest cortex thickening and thinning.