a method for assessing an individual’s mental aptitudes and comparing them with those of others, using numerical scores

Mental Age - a measure of intelligence test performance devised by Binet; the chronological age that most typically corresponds to a given level of performance. Thus, a child who does as well as the average 8-year-old is said to have a mental age of 8

Stanford-Binet - American revision of Binet’s original intelligence test

Intelligence Quotient (IQ) - defined originally as the ratio of mental age (ma) to chronological age (ca) and multiplied by 100

Aptitude Test - designed to predict a person’s future performance; aptitude is the capacity to learn

Achievement Test - a test designed to assess what a person has learned