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IQ full form is Intelligence Quotient. It is a form of intelligence test that determines the numeral value of the relative intelligence of a person. An IQ test can measure mathematical ability, analytical reasoning, spatial recognition, and more. Furthermore, it was William Stern who created the acronym ‘IQ’ for the German term ‘Intelligenzquotient’ that he proposed in a book in 1912. The book was for a rating system for IQ tests (at the University of Breslau).
What is Intelligence Quotient?
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One should note that IQs can easily change from situation to situation, depending on the circumstances.
- Additionally, age is a significant factor in determining IQ.
- Earlier, IQ was represented as a ratio of mental age to chronological age x 100.
- Presently, modern IQ determinants keep the average score as IQ100; the raw score is turned into a normal distribution with a mean of 100 and a standard deviation of 15.
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Importance of IQ
The importance of IQ is as follows:
- Understanding abilities: IQ scores can give a rough idea of someone’s reasoning and problem-solving strengths. This can be helpful in educational settings, for example, to tailor learning approaches to a student’s capability.
- Identifying potential: High IQ scores can indicate potential for advanced learning or gifted programs.
- Limitations: However, IQ is not a perfect measure of intelligence. It mainly focuses on logical reasoning and doesn’t account for creativity, social intelligence, or other important aspects. There is also debate about how much IQ reflects opportunity and background.
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What are the IQ Tests?
The most commonly used IQ test is the Wechsler Adult Intelligence Scale (WAIS) [adults], and the Wechsler Intelligence Scale for Children (WISC) [school-aged younger ones]. More are listed below as current versions of:
- Stanford–Binet Intelligence Scales
- The Cognitive Assessment System
- The Differential Ability Scales
- Woodcock-Johnson Tests of Cognitive Abilities
- The Kaufman Assessment Battery for Children
Additionally, there are also the following:
- Raven’s Progressive Matrices
- Naglieri Nonverbal Ability Test
- Wide Range Intelligence Test
- Cattell Culture Fair III
- Reynolds Intellectual Assessment Scales
- Multidimensional Aptitude Battery II
- Das–Naglieri cognitive assessment system
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Highest IQs in the World
What are the names of some of the people who have the highest recorded IQs in the world? Have a look below!
| Highest IQs in the World | |
| Name of the Person | IQ Score |
| Carl Friedrich Gauss | 275 |
| Ainan Celeste Cawley | 263 |
| William James Sidis | 250 |
| Marilyn vos Savant | 228 |
| Terence Tao | 227.5 |
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