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Who made the first successful attempt to formally measure intelligence in 1905?

AWilliam Stern and Charles Spearman
BAlfred Binet and Theodore Simon
CHoward Gardner and Robert Sternberg
DLouis Thurstone and J.P. Guilford
Answer & Solution
Correct answer: B. Alfred Binet and Theodore Simon
1. The chapter dates the first formal intelligence measurement to 1905. 2. It credits the attempt to two French psychologists working together. 3. They are named as Alfred Binet and Theodore Simon. 4. Their scale was revised in 1908 and introduced the concept of Mental Age. 5. Hence the 1905 measurement is by Binet and Simon. _Source: NCERT Class 12 Psychology Ch 1 "Variations in Psychological Attributes", p. 10, Assessment of Intelligence_
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