Correct Answer:
D. Stern
The formula for calculating Intelligence Quotient (I.Q.) as (Mental Age / Chronological Age) * 100 was proposed by William Stern. The other psychologists are known for different theories, not this specific I.Q. formula.
The formula for calculating Intelligence Quotient (I.Q.) as (Mental Age / Chronological Age) * 100 was proposed by William Stern. The other psychologists are known for different theories, not this specific I.Q. formula.