a performance test of intelligence consisting of a set of 16 colored cubes that the participant must arrange into designs presented on 17 test cards. Although still available as a separate stand-alone instrument, the Kohs Block Design Test has been adapted for use as a component of various other assessment measures, most notably the intelligence scales devised by David Wechsler. [developed in 1919 by Samuel C. Kohs (1890–1984), U.S. psychologist]