Psychometrics: Introduction (03:18)
Psychometrics is the science of measuring intelligence and assessing abilities. Intelligence is the ability to acquire and apply knowledge. Charles Spearman disputed Sir Francis Galton's claim that intelligence is only hereditary.
Raymond Cattell (02:08)
Raymond Cattell divided intelligence into two categories: fluid intelligence and crystalized intelligence. The Cattell-Horn-Carroll theory separated Spearman hypothesis into ten broad abilities.
Multiple Intelligences (02:17)
L. L. Thurstone hypothesized that there are seven core factors of intelligence. The Triarchic Theory of Intelligence describes three distinct types of intelligence that a person can possess: analytical, creative, and practical. Howard Gardner posits that there are nine different intelligences.
Intelligence Testing (02:05)
Alfred Binet and Theodore Simon created the first I.Q. test. They scored it on a scale ranging from 0-160. Lewis Terman revised the Binet- Simon test into the Stanford-Binet in 1915. Today, I.Q. tests are given to determine educational aptitude.
Wechsler Intelligence Tests (04:11)
Wechsler worked with Terman as well as Charles Spearman. Wechsler's test is comprised of 15 sub tests, sorted into 4 groups: verbal comprehension, perceptual reasoning, working memory, and processing speed. Individuals only need to complete 10 of the sub tests to receive a score.
Other Intelligence Tests (02:30)
In addition to the Weschler tests, there are five other types of tests to determine intelligence in children— MENSA and the Triple 9 Society use the Cattell Culture Fair-III to validate membership. Achievement tests fall under federal government jurisdiction. Designers have released intelligence tests in multiple languages and developed more sophisticated scoring methods.
Aptitudes include finger dexterity, musical ability, color perception, spatial vision, inductive reasoning, and memorization. Johnson and Eleanor O'Connor developed psychometric tests to discover unrecognized talents and abilities in an individual. High vocabulary scores are a common attribute in successful people.
Emotional Intelligence (02:17)
Daniel Goleman wrote "Emotional Intelligence" in 1995— E.I. is the capacity to be aware of, control and express one's emotions and to handle interpersonal relationships judiciously and empathetically. Tests include the Mayer-Salovey-Caruso Emotional Intelligence Test and the Emotional and Social Competency Inventory.
Credits: Intelligence and Ability Assessment: Psychometrics (00:27)
Credits: Intelligence and Ability Assessment: Psychometrics
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