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The test was created in 1939 by Eldon F. Wonderlic. It consists of 50 multiple choice questions to be answered in 12 minutes. [1] [2] [3] The score is calculated as the number of correct answers given in the allotted time, and a score of 20 is intended to indicate average intelligence. [2]
Mental age is a concept related to intelligence. It looks at how a specific individual, at a specific age, performs intellectually, compared to average intellectual performance for that individual's actual chronological age (i.e. time elapsed since birth).
The highest score obtainable by direct look-up from the standard scoring tables (based on norms from the 1930s) was IQ 171 at various chronological ages from three years six months (with a test raw score "mental age" of six years and two months) up to age six years and three months (with a test raw score "mental age" of ten years and three ...
Wechsler believed that "mental age norms clearly did not apply to adults." [6] Wechsler criticized the then existing Binet scale because "it did not consider that intellectual performance could deteriorate as a person grew older." [6] These criticisms of the 1937 Binet test helped produce the Wechsler–Bellevue scale, released in 1939.
With questions about where babies come from, 'it is better to open this subject before they ask'. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
A revised edition was published in 1974 as the WISC-R (Wechsler, 1974), featuring the same subtests. However, the age range was changed from 5–15 to 6–16. The third edition was published in 1991 (WISC-III; Wechsler, 1991) and brought with it a new subtest as a measure of processing speed.
The average benefit amount for retired workers in July 2024 was $1,919, according to the Social Security Administration. Around half of people ages 65 and up receive 50% or more of their household ...
The children's highest levels of achievement were sorted by age and common levels of achievement considered the normal level for that age. Because this testing method merely compares a person's ability to the common ability level of others their age, the general practices of the test can easily be transferred to test different populations, even ...