The examinee is presented with a set of red-and-white blocks (typically 4 or 9 cubes) and a series of increasingly difficult designs. These designs are shown in a stimulus booklet or on a model. The task is to reproduce each design by arranging the blocks so that the colored sides match the target pattern.
Here’s a detailed write-up on as a subtest of the Wechsler Adult Intelligence Scale (WAIS) . It can be used for a psychological assessment report, study guide, or informational handout. Write-Up: Block Design in the WAIS Introduction to the Subtest The Block Design subtest is a core performance-based measure on the Wechsler Adult Intelligence Scale (WAIS), primarily used to assess visuospatial reasoning , problem-solving , and motor construction ability . It is part of the Perceptual Reasoning Index (PRI) in WAIS-IV and has been a staple of the Wechsler scales since their inception. block design wais
Time limits are imposed for each item. Items range from simple two-block patterns to complex nine-block designs that require analyzing symmetry, color orientation, and spatial configuration. The examinee is presented with a set of