Cattell–Horn–Carroll theory

The Cattell–Horn–Carroll theory (commonly abbreviated to CHC), is a psychological theory on the structure of human cognitive abilities. Based on the work of three psychologists, Raymond B. Cattell, John L. Horn and John B. Carroll, the Cattell–Horn–Carroll theory is regarded as an important theory in the study of human intelligence.

Source: Wikipedia — Cattell–Horn–Carroll theory (CC BY-SA 4.0)