Charles Spearman
Videos
Charles Edward Spearman, FRS was an English psychologist known for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient. He also did seminal work on mod
Grave of Charles Spearman in Highgate Cemetery
Raven's Progressive Matrices
Videos
Raven's Progressive Matrices or RPM is a non-verbal test typically used to measure general human intelligence and abstract reasoning and is regarded as a non-verbal estimate of fluid intelligence. It
Charles Spearman
…and his suggestion that "the eduction of relations and correlates" underlay this general factor led to the quest for tests of this general ability. Raven's Progressive Matrices might be regarded as one of these although Raven himself clearly stated that his tests should not be regarded as "intelligence" tests. While arguing…
The cover of a test booklet for Raven's Standard Progressive Matrices