Kohs Block Test

Intelligence test.

The Kohs block test, or Kohs block design test, is a cognitive test for children or adults with a mental age between 3 and 19. It is mainly used to test persons with language or hearing handicaps but also given to disadvantaged and non-English-speaking children. The child is shown 17 cards with a variety of colored designs and asked to reproduce them using a set of colored blocks. Performance is based not just on the accuracy of the drawings but also on the examiner's observation of the child's behavior during the test, including such factors as attention level, self-criticism, and adaptive behavior (such as self-help, communication, and social skills). The Kohs block test is sometimes included in other tests, such as the Merrill-Palmer and Arthur Performance scales.