Components and Subtests Flashcards
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Read the first 7 Components and Subtests flashcards as text
Which WAIS-IV subtest is most similar in format to Raven's Standard Progressive Matrices?
Answer: Matrix Reasoning
Matrix Reasoning uses an incomplete matrix format nearly identical to Raven's Progressive Matrices, measuring fluid, nonverbal inductive reasoning.
In WAIS-IV standardization, which age group tends to show the sharpest decline in Processing Speed Index scores compared to younger adults?
Answer: Ages 75 and older
Processing speed shows a steep age-related decline, with the most pronounced drop typically occurring in adults aged 75 and older.
What is the primary purpose of using age-corrected scaled scores in the WAIS-IV?
Answer: To convert raw scores into standard scores relative to same-age peers
Age-corrected scaled scores (M=10, SD=3) compare an individual's performance to a normative sample of same-age peers, accounting for normal cognitive changes across the lifespan.
Which of the following WAIS-IV subtests has NO time limit for individual items?
Answer: Similarities
Similarities is an untimed subtest where examinees are given as much time as needed to describe how two concepts are alike.
The 'Symbol Search' subtest requires examinees to scan a row of symbols and determine whether a target symbol:
Answer: Matches any symbol in a search group on the same row
In Symbol Search, examinees quickly scan a target group and a search group and mark YES if either target symbol appears in the search group, or NO if it does not.
When WAIS-IV Digit Span raw score is broken into process scores, which condition typically yields the lowest raw score for most examinees?
Answer: Digit Span Sequencing
Digit Span Sequencing, which requires reordering digits into ascending order, imposes the greatest working memory load and typically yields the lowest performance.
Which WAIS-IV subtest was retained across all four editions of the Wechsler adult intelligence scale (WAIS, WAIS-R, WAIS-III, WAIS-IV)?
Answer: Digit Span
Digit Span has appeared in every edition of the Wechsler adult scale since the original WAIS (1955), making it one of the most historically consistent subtests.