RIVERSIDE, Calif. -- Raven's Advanced Progressive Matrices, or APM, is a widely used standardized test to measure reasoning ability, often administered to undergraduate students. One drawback, however ...

Raven's Advanced Progressive Matrices is a widely used standardized test to measure reasoning ability. One drawback, however, is that the test takes 40 to 60 minutes to complete. Another is that the ...

This test, number three on our list of Mensa IQ test questions you need to answer to join Mensa – the brainchild of John C. Raven – measures fluid intelligence; the ability to understand the ...