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During the early 1900s, Alfred Binet twas asked by to French Government tto develop a test of intelligence.
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Yerkes was a psychologist who set out to carry out one of the largest test of intelligence in history.
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Graham Wallas published one of the first models of the creative process.
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David Whechsler established the use of the deviation IQ, or “DQ” .
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Raymond Cattell proposed two types of cognitive abilities: Fluid intelligence and crystallized intelligence.
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David Wechsler created an intelligence scale for children.
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David Wechsler developed an Adult Intelligence Scale.
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By 1974, there were at least 76 different tests measuring intelligence in print.
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In 1989, the IQ test was distinguished as one of the 20 most important scientific discoveries of the century.
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Salovey and Mayer proposed our different factors of emotional intelligence: Perception of emotion, Ability to reason using emotions Ability to understand emotion, Ability to manage emotions (Emotional Intelligence).
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Anastasi cautioned that intelligence can improve with experience. Therefore, intelligence test scores should never be used to label a student indelibly.