In 1938, the British psychologist John C. Raven (1902-1970) published this set of drawings “for measuring intelligence in subjects of all mental ages above 3 years.” The test consists of sixty pages ...

Autistics are up to 40 percent faster at problem-solving than non-autistics, according to a new study published in the journal Human Brain Mapping. As part of the investigation, participants were ...

The relationship between intelligence and creativity has long been debated and studied. One of the hallmark tests of "general intelligence" is the Raven's Progressive Matrices Test. This test gives ...

Irwing and Lynn's other work on the Progressive Matrices 4 contains no actual statistics, only estimates of “effect sizes”, so it is not susceptible to the ordinary processes of scrutiny. The large ...