Ages: 16:0 through 90:11

Completion Time: 60-90 Minutes

Description:

The Wechsler Adult Intelligence Scale | Fourth Edition (WAIS-IV) is the most advanced adult measure of cognitive ability, based on recent research in the area of cognitive neuroscience and the theories and work of David Wechsler PhD.

Features:

A core battery of 10 unique subtests focuses on four specific domains of intelligence: verbal comprehension, perceptual reasoning, working memory, and processing speed.

• New subtests, including Visual Puzzles, Figure Weights, and Cancellation.

• Additional tasks for improved clinical utility, new clinical and validity studies.

• Transitioned from dual IQ to Index Score structure.

• Improved measures of Working Memory, Processing Speed, and Fluid Reasoning.

• Improved floors/ceilings, improved subtest/composite reliability, and expanded FSIQ range.

• Enhanced user friendliness and reduced administration time (by 15%).

• Co-normed with the Wechsler Memory Scale®-IV.

• Updated normative data for ages 16-90 years and enhanced utility for older adults.