Question

The concept of intelligence quotient was developed by

Answer 1

Alfred Binet developed tis concept first..

Answer 2

The concept of intelligence quotient was developed by French psychologist Alfred Binet.

Modern IQ test are based on normal ditribution.

This checks the time period of the question based task.this was initially created to check the knowledge level of students but now it is usually made to check the intelligence level of adults and old ones.in real,it helps to get a  competition to get over the opponent.