IQ Full Form | Full Form of IQ

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Intelligence Quotient

IQ stands for Intelligence Quotient. It's a parameter that's used to identify the intelligence of an individual.
These parameters can vary from situation to situation. There are several methods to check the IQ of an individual. Actually, IQ may be a scorecard.
A score or number derived from the intelligence test shows the relative intelligence of an individual.
You'll calculate the IQ of an individual from one among the several standardized tests design to access human intelligence.
The norming sample of IQ is defined as IQ 100.
The up and down deviation is defined 15 IQ points. According with a survey, two-third of the population scores between IQ 85 and IQ 115.
Only 5 percent of the population scores above 125.

History

The term IQ was first given by Psychologist William Stern.
It's derived from the German term intelligenz-quotient.
The primary intelligence test was introduced in 1905 by Alfred Binet and Theophile Simon.
IQ is usually calculated by taking the ratio of mental age to chronological age and multiplying it by 100. For example: The IQ of a ten year old body with mental age of 14 are going to be 14/10 * 100 = 140.

The IQ scores are used for educational placement, evaluating job applicants, assessment of intellectual disability, research and advancement of human intelligence etc.
Some schools organize an intelligence test to get the IQ level of the students before admitting them into their school.
This is often used to judge that either the student is capable to get admitted in a particular class or not.