Figure 6.3 | Sample Performance (Nonverbal) Test Items on the WAIS | (a) This is a nonverbal test item similar to those on the WAIS Visual Puzzles subtest that assesses perceptual reasoning ability. (b) These are nonverbal test items similar to those on the WAIS Cancellation subtest that assess perceptual processing speed.

((a) Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV). Copyright © 2008 NCS Pearson, Inc. Reproduced with permission. All rights reserved. (b) “Wechsler Adult Intelligence Scale^®, Fourth Edition” and “WAIS” are trademarks, in the United States and other countries, of Pearson Education, Inc. or its affiliate(s).)