Intelligence quotient is a term developed by Stern in 1938 to address problems with using the difference between chronological age and mental age to represent deviance. Typically, a deviation IQ score is used.

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Deviation IQ at■■■■■
Deviation IQ refers to an IQ obtained statistically from a person's relative standing in his or her age . . . Read More
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Alfred Binet at■■■■
Alfred Binet (1857 - 1911) was both a psychologist and a lawyer. His greatest accomplishment in the . . . Read More
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General cognitive index (GCI) at■■■■
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Standard error at■■■■
Standard error (SE) refers to the variation in score that takes into account the group size; - - In . . . Read More
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Score: In psychology, a score is a numerical value that is assigned to a person based on their performance . . . Read More
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Intelligence test refers to a questionnaire or series of exercises designed to measure intelligence. . . . Read More
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