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What was psychologist William Stern's contribution to the study of intelligence?

A.
He created the first IQ formula.
B. He revised the Binet-Simon Intelligence Scale to create the Stanford-Binet test.
OC. He provided the original set of IQ classifications.
D. He created a test to measure a person's emotional intelligence.

1 Answer

1 vote

Answer:

A

Step-by-step explanation:

He introduced the IQ formula as the ratio of mental age to chronological age

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