The full form of IQ is Intelligence Quotient. IQ is a composite score derived from several standardised tests or subtests to gauge a person’s level of intelligence. For the German term “Intelligenzquotient,” which he proposed in a book published in 1912 for a rating system for IQ tests at the University of Breslau, psychologist William Stern created the acronym “IQ.”
IQs might change depending on the situation. There are numerous ways to measure IQ. An IQ score indicates the relative level of intelligence of a person. One of the many standardised test designs for acquiring human information can be used to determine a person’s IQ. IQ 100 is the accepted definition of the standardised IQ sample.
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The up-and-down deviation is set at 15 IQ points. According to one survey, two-thirds of the population has an IQ between 85 and 115. Just 5% of people have 125 scores.
An Overview of IQ history
- William Stern, a psychologist, coined the term “IQ” initially. It evolved from the German name “Intelligenz-quotient.” The first intelligence test was presented in 1905 by Alfred Binet and Theophile Simon.
- The average method for calculating IQ is to take the ratio of intellectual age to biological age and multiply it by 100.
Importance of IQ
- An IQ test can reveal a person’s aptitude for reasoning It examines how effectively people can respond and foresee using information and technology.
- It enables learning more about a candidate’s memory.
- Teachers can identify which pupils need more support by using IQ tests.
- The test is also used by several businesses to choose their employees.