The current study examines the views of experts in the science of mental abilities about the primacy and uniqueness of "g" and the social implications of ability testing, and compares their responses to the views of a group of non-expert psychologists. Results indicate expert consensus that "g" is an important, non-trivial determinant (or at least…

It is argued that the statements and accusations made by Stephen Jay Gould about the use of factor analysis are incorrect and unjustified and that tests properly designed for the purpose can adequately measure a "general" or "g" factor of intelligence, particularly in view of the developments in testing since "The…

The history of the concept of intelligence is reviewed, and the construction and uses of psychological tests are explored. Skills consist of a large number of abilities. It is argued that the psychological entity, intelligence, is determined by particular contexts, contexts often induced by social demands. (SLD)