French psychologist Alfred Binet (1859-1911) took a different tack than most psychologists of his day: he was interested in the workings of the normal mind rather than the pathology of mental illness.

Many psychologists have made unjustifiable inferences from data by interpreting IQ as a causal variable when logically it is a non-causal variable. Attempts are made in this paper to understand how ...

This 1937 version of the Stanford-Binet Intelligence Scales was produced in the United States. It used objects because this IQ test was aimed at children. Credit: SSPL/ Getty Images The Hechinger ...

Back in the early 1900s, Alfred Binet advanced the concept of intelligence by positioning a French pupil’s measured mental age over her or his chronological age. This came to be known as intelligence ...