Identifying g: the current role of intelligence

Provides a brief description of Spearman’s g which has become the cornerstone for most theories of intelligence and highlights the social, scientific and political controversy in which this is surrounded. Discusses the identification of g before covering the criticisms, the physiological manifestations and the practical and social implications together with education. Summarizes that this construct routinely accounts for more variance than all other cognitive factors combined and so holds a high position in any model of the structure of human cognitive abilities.