Object Assembly Subtest (WPPSI-IV)

**Semantic type:** Intellectual Product

**Definition:** A subtest of the Wechsler Preschool and Primary Scale of Intelligence that measures an individual's ability to analyze and synthesize an abstract design and reproduce that design from colored plastic blocks. This subtest of the Wechsler Preschool and Primary Scale of Intelligence requires spatial visualization and analysis, simultaneous processing, visual-motor coordination, dexterity, and nonverbal concept formation.