Measuring Intelligence
Binet’s breakthrough
Binet and Simon revised their intelligence scale to solve several problems in their original scale
Mental age
method of estimating a child’s intellectual progress by comparing his or her score on an intelligence test to the scores of average children of the same age
Measuring Intelligence
Formula for IQ
Intelligence quotient
computed by dividing a child’s mental age (MA), as measured in an intelligence test, by the child’s chronological age (CA) and multiplying the result by 100