# Write short notes on the following : Intelligence Quotient - Psychology

Short Note

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

Concept: Measurement of Intelligence - Concept Related to Measurement of Intelligence
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#### APPEARS IN

Balbharati Psychology 12th Standard HSC Maharashtra State Board
Chapter 2 Intelligence
Exercises | Q Q.5. (1) | Page 22
SCERT Maharashtra Question Bank 12th Standard HSC Psychology Maharashtra State Board 2022
Chapter 2 Intelligence
Explain the following concepts | Q 8. (2)