Raven's Progressive Matrices
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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
The cover of a test booklet for Raven's Standard Progressive Matrices
Charles Spearman
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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
Raven's Progressive Matrices
…in order of increasing difficulty. This format is designed to measure the test taker's reasoning ability, the eductive ("meaning-making") component of Charles Spearman's g (g is often referred to as general intelligence). The tests were originally developed by John C. Raven and Lionel Penrose in 1936. In each test…
Grave of Charles Spearman in Highgate Cemetery