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 ...

Taiwan and Hong Kong also recorded very high scores, around 107. However, they were not included in the final country rankings.

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 ...