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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.
The Wechsler Adult Intelligence Scale (WAIS) is an Intelligence Quotient (IQ) test designed to measure intelligence and cognitive ability in adults and older adolescents. [1] For children between the ages of 6 and 16, Wechsler Intelligence Scale for Children (WISC) is commonly used.
By the 1937 second revision of the Stanford–Binet test, Terman no longer used the term "genius" as an IQ classification, nor has any subsequent IQ test. [65] [95] In 1939, Wechsler wrote "we are rather hesitant about calling a person a genius on the basis of a single intelligence test score." [96]
Composition of IQ Gains. The Flynn effect is the substantial and long-sustained increase in both fluid and crystallized intelligence test scores that were measured in many parts of the world over the 20th century, named after researcher James Flynn (1934–2020).
The g factor [a] is a construct developed in psychometric investigations of cognitive abilities and human intelligence.It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the assertion that an individual's performance on one type of cognitive task tends to be comparable to that person's performance on other kinds of cognitive tasks.
In psychometrics, human intelligence is commonly assessed by intelligence quotient (IQ) tests, although the validity of these tests is disputed. Several subcategories of intelligence, such as emotional intelligence and social intelligence , have been proposed, and there remains significant debate as to whether these represent distinct forms of ...
Binet and Simon believed that intelligence is malleable and that intelligence tests would help target children in need of extra attention to advance their intelligence. [2] To create their test, Binet and Simon first created a baseline of intelligence. A wide range of children were tested on a broad spectrum of measures in an effort to discover ...
The popular shortening of IQ tests, especially those intended for children, is primarily due to the increasingly heavy workloads of school psychologists. Experts have historically argued that these shorter tests are less accurate. The WRIT is an attempt to optimize accuracy in a short-form IQ test that includes fewer subtests. [5]
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