The performance subtests are known to use picture completion, picture arrangement, block design, matrix reasoning, and digit–symbol coding. The subtest that Jason is taking is digit symbols.
The WAIS subtests consist of several verbal tests. They are: Information, Comprehension, Arithmetic, Digit Span, Similarities, and Vocabulary.
The Performance subtests consist of: Picture Arrangement, Picture Completion, Block Design, Object Assembly, and Digit Symbol.
- The WAIS often state the difference between verbal and nonverbal ability. It is used to know people's mental aptitudes and compare them to others via numerical scores.
The Wechsler Adult Intelligence Scale (WAIS) is known as an intelligence test that is set up to measure intelligence in adults and older adolescents.
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