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Mental age was first defined by the French psychologist Alfred Binet, who introduced the Binet-Simon Intelligence Test in 1905, with the assistance of Theodore Simon. [4] Binet's experiments on French schoolchildren laid the framework for future experiments into the mind throughout the 20th century.
If 75% of these children passed, the subtest would be assigned to that age group. [3] [9] The test measured what Binet termed mental age, the age level at which a child could perform. If a child, for example, could perform all the tasks meant for a 10-year-old, but not those meant for an 11-year-old, they would have the mental age of a 10.
Cognitive epidemiology is a field of research that examines the associations between intelligence test scores (IQ scores or extracted g-factors) and health, more specifically morbidity (mental and physical) and mortality. Typically, test scores are obtained at an early age, and compared to later morbidity and mortality.
Terman's test was the first widely used mental test to report scores in "intelligence quotient" form ("mental age" divided by chronological age, multiplied by 100). Current tests are scored in "deviation IQ" form, with a performance level by a test-taker two standard deviations below the median score for the test-takers age group defined as IQ 70.
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.
Mental age; Miller Analogies Test: According to Pearson Assessments, the Miller Analogies Test is used to determine a students ability to think analytically. The test is 60 minutes long, and is used by schools to determine those who are able to think analytically, and those who are only "memorizing and repeating information" [5]
Moron is a term once used in psychology and psychiatry to denote mild intellectual disability. [1] The term was closely tied with the American eugenics movement. [2] Once the term became popularized, it fell out of use by the psychological community, as it was used more commonly as an insult than as a psychological term.
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 a clear indicator of intelligence. Failing to find a single identifier of intelligence, Binet and Simon instead compared children in each category by age.