intelligence quotient

Japanese: intelligence quotient(英語表記)intelligencequotient
intelligence quotient

…Therefore, the operational definition (definition by measurement operation) that intelligence is the ability measured by intelligence tests is generally adopted. The results of intelligence tests are expressed as mental age (MA), intelligence quotient (IQ), intelligence standard deviation value T-score, etc. For example, in the Binet intelligence test, test questions are assigned according to age, and the child's mental age is determined according to the age-equivalent questions that the child passes. …

*Some of the terminology explanations that mention "intelligence quotient" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そこで一般には,知能とは知能テストで測定される能力であるという操作的定義(測定操作による定義)が,採用されている。 知能テストによって測定された結果は,精神年齢mental age(MA),知能指数intelligence quotient(IQ),知能偏差値T‐scoreなどによって表示される。たとえばビネ式知能テストでは,年齢別にテスト問題が配当されており,子どもがどの年齢相当の問題まで合格したかに応じて,その子どもの精神年齢が決定される。…

※「intelligence quotient」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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