A. Alfred Binet
B. Stern
C. Gulford
D. None
Answer is = B
You are correct! The formula to determine IQ (Intelligence Quotient) was presented by:
B. Stern
While Alfred Binet laid the foundation for modern intelligence testing with the Binet-Simon Test, it was William Stern, a German psychologist, who introduced the concept of IQ in 1914.
Here’s a breakdown of their contributions:
- Alfred Binet: Developed the Binet-Simon Test, which measured mental age (a child’s cognitive ability level compared to the average for their chronological age).
- William Stern: Proposed the idea of dividing mental age by chronological age and multiplying by 100 to obtain the IQ score. This formula provided a standardized way to express intelligence as a single number.
It’s important to note that IQ testing and the concept of IQ itself remain a topic of ongoing debate and discussion. However, Stern’s contribution played a significant role in the early development of IQ testing.
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