Kohs, Samuel Calmin (1890–1984), American psychologist. Kohs spent his career in clinical and educational psychology. He introduced his block test in 1918.
Medical Dictionary
Kohs blocks
noun pl \ˈkōs-ˌbläks\
Medical Definition of KOHS BLOCKS
: a set of small variously colored blocks that are used to form test patterns in psychodiagnostic examination
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