Intelligence and achievement test.

The Kaufman Assessment Battery for Children (KABC) is an intelligence and achievement test for children ages 2-1/2 to 12-1/2. It consists of 16 subtests, not all of which are used for every age group. A distinctive feature of the KABC is that it defines intelligence as problem-solving ability rather than knowledge of facts, which it considers achievement. This distinction is evident in the test's division into two parts—intelligence and achievement—which are scored both separately and together. The Mental Processing (or intelligence) portion of the test consists of two series of subtests. Sequential Processing primarily assesses short-term memory and includes number recall, repetition of a sequence ("work order"), and repetition of hand movements. Simultaneous Processing evaluates pattern detection and nonverbal reasoning. Its subtests include completing a drawing ("gestalt closure"); spatial memory (reproducing layout of...