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The original WAIS (Form I) was published in February 1955 by David Wechsler, Chief Psychologist at Bellevue Hospital (1932–1967) in NYC, as a revision of the Wechsler–Bellevue Intelligence Scale released in 1939. [2] It is currently in its fifth edition (WAIS-5), released in 2024 by Pearson. It is the most widely used IQ test, for both ...
Score distribution chart for sample of 905 children tested on 1916 Stanford–Binet Test. IQ classification is the practice of categorizing human intelligence, as measured by intelligence quotient (IQ) tests, into categories such as "superior" and "average". [1] [2] [3] [4]
The survey was carried out as a personal interview comprising a questionnaire followed by a skills assessment, a computer- or paper-based version of which was independently completed by the respondent in the presence of the interviewer; the entire interview (including the assessment) took between 1 1/2 and 2 hours to administer.
Gallup principal economist Jonathan Rothwell concluded, in a 2020 analysis and economic impact study of the PIAAC results collected during 2012 - 2017; [59] commissioned by the Barbara Bush Foundation for Family Literacy, [60] that the United States could increase its annual GDP by 10%, adding $2.2 trillion in annual income, by enabling greater ...
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
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The Wechsler Test of Adult Reading (WTAR) is a neuropsychological assessment tool used to provide a measure of premorbid intelligence, the degree of Intellectual function prior to the onset of illness or disease.
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