Fig. 2From: Cross-cultural differences in visuo-spatial processing and the culture-fairness of visuo-spatial intelligence tests: an integrative review and a modelĀ for matrices tasksExample item for a block design test. Note This item is from the original version of Kohs' (1920) block design test. The target pattern, printed on a sheet of paper, has to be reproduced using cubes (whose sides are printed red, white, blue, yellow, red-and-white, and blue-and-yellow). The test is timed. Each design uses between 4 and 16 blocks (9 in the above example). Some designs are presented with the reference frame oriented as a diamondBack to article page