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Intelligence Quotient
Binet developed the first I.Q. test. -
Fermat's last theorem
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. -
Intelligece Quotient Formula
William Stern developed the original formula for the Intelligence Quotient after studying the scores on Binet's test. -
Intelligence Test Published
The Stanford-Binet intelligence test was published in the United States. -
Robert Yerkes
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. -
Social Intelligence
Edward Thorndike proposed the concept of social intelligence in comprehending social situations and managing oneself successfully. -
Scholastic Aptitude Test
Scholastic Aptitude Test (SAT) was introduced so colleges could screen prospective students. -
Wechsler-Bellevue Intelligence Test
Wechsler-Bellevue Intelligence Test was published. It eventually became the most widely used intellectual assessment. -
Fluid and Crystalized Intelligence
Raymond Cattell proposed two types of cognitive abilities in a revision of Spearman's concept of general intelligence: Fluid and Crystalized intelligence. -
Structure of Intellect
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. -
Howard Gardner's Multiple Intelligences
Howard Gardner introduced his theory of multiple intelligence, which differentiates intelligence into 8 specific intelligences. -
Three Intelligences
Robert Sternberg proposes his triarchic theory of intelligences: analytical, creative, and practical intelligence. -
Brain Damage
Brain damage reports provide extreme examples of lessened emotional intelligence in people with high general intelligence, -
Einstein's Brain
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. -
10-Year Rule
Anders Ericsson reports 10-year rule for common ingredient of expert performance is "about 10 years of intese, daily practice". -
Brain Scans
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.