Who developed the concept of the Intelligence Quotient (IQ)?

a) Sir Francis Galton
b) Lewis Terman
c) Alfred Binet
d) David Wechsler

1 answer

The concept of the Intelligence Quotient (IQ) was developed by Alfred Binet, who, along with his colleague Théodore Simon, created the first standardized intelligence test in the early 20th century. So the correct answer is:

c) Alfred Binet