Components and Subtests Flashcards

Which WAIS-IV subtest contributes to the Full Scale IQ but is NOT part of any of the four primary index scores?

Answer: Figure Weights

Figure Weights is a core subtest used to derive the FSIQ but is not included in any of the four primary indexes (VCI, PRI, WMI, PSI) in WAIS-IV.

In the WAIS-IV, 'Visual Puzzles' replaced which subtest from WAIS-III as a core Perceptual Reasoning measure?

Answer: Object Assembly

Object Assembly from WAIS-III was replaced by Visual Puzzles in WAIS-IV as a core Perceptual Reasoning Index subtest.

Which WAIS-IV subtest assesses a person's general fund of knowledge about common events, objects, places, and people?

Answer: Information

The Information subtest measures breadth of long-term knowledge about the world, reflecting crystallized intelligence and educational experience.

The 'Digit Span Sequencing' condition added to WAIS-IV Digit Span requires the examinee to:

Answer: Reorder digits from lowest to highest

Digit Span Sequencing requires reordering a random string of digits into ascending numerical order, placing greater demand on working memory than simple repetition.

Which pair of subtests forms the core of the Processing Speed Index (PSI) in WAIS-IV?

Answer: Coding and Symbol Search

Coding and Symbol Search are the two core PSI subtests; both require rapid, accurate performance on simple visual-motor tasks under time pressure.

What response format is used in the WAIS-IV 'Coding' subtest?

Answer: Writing symbols paired with numbers using a key

In Coding, examinees use a pencil to write symbols that correspond to numbers according to a provided key, measuring graphomotor speed and processing speed.

Which WAIS-IV subtest asks examinees to provide definitions for words presented orally and in print?

Answer: Vocabulary

Vocabulary requires examinees to define words, measuring word knowledge, verbal concept formation, and crystallized intelligence.