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Questions
Write short notes on the following :
Intelligence Quotient
Explain the following concepts in 25 to 30 words:
Intelligence Quotient
Solution
1. The concept of Intelligence Quotient (I.Q.) was introduced by German psychologist William Stern in 1912.
2. Stern computed I.Q. as a ratio of Mental Age (M.A.) to Chronological Age (C.A.). This formula is given as:
`("I"."Q".) = ("Mental Age (M. A.)")/("Chronological Age(C.A.)")`
3. Later, Terman refined the formula of I.Q. by multiplying the ratio of M.A. and C.A. by 100. This formula is given as:
`("I"."Q".) = ("Mental Age (M. A.)")/("Chronological Age(C.A.)") xx100`
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