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 psychology-glossary.com■■■■■
Deviation IQ refers to an IQ obtained statistically from a person's relative standing in his or her age . . . Read More
Deviation IQ score at psychology-glossary.com■■■■■
Deviation IQ score: Deviation IQ score is defined as an intelligence test score that reflects how well . . . Read More
Learning disorder at psychology-glossary.com■■■■
Learning disorder: learning disorder refers to reading, mathematics, or written expression performance . . . Read More
Alfred Binet at psychology-glossary.com■■■■
Alfred Binet (1857 - 1911) was both a psychologist and a lawyer. His greatest accomplishment in the . . . Read More
Intelligence quotient (IQ) at psychology-glossary.com■■■■
Intelligence quotient (IQ): intelligence quotient (IQ) refers to score on an intelligence test estimating . . . Read More
General cognitive index (GCI) at psychology-glossary.com■■■■
The General cognitive index (GCI) refers to a standard score with a mean of 100 and standard deviation . . . Read More
Standard error at psychology-glossary.com■■■■
Standard error (SE) refers to the variation in score that takes into account the group size; - - In . . . Read More
Score at psychology-glossary.com■■■
Score: In psychology, a score is a numerical value that is assigned to a person based on their performance . . . Read More
Intelligence test at psychology-glossary.com■■■
Intelligence test refers to a questionnaire or series of exercises designed to measure intelligence. . . . Read More
Dyspraxia at psychology-glossary.com■■■
Dyspraxia refers to a developmental disorder of planning and organisation of physical movement; - - . . . Read More