The Primary Index scales include
Verbal Comprehension Index (VCI)
Visual Spatial Index (VSI)
Working Memory Index (WMI)
Fluid Reasoning Index (FRI)
Processing Speed Index (PSI)
The Ancillary Index scales include
Vocabulary Acquisition Index (VAI)
Nonverbal Index (NVI)
General Ability Index (GAI)
Cognitive Proficiency Index (CPI)
Improved Developmental Appropriateness
With consideration of the unique challenges of assessing young children, the WPPSI-IV was redesigned to strengthen the emphasis on ensuring all aspects of the WPPSI-IV are developmentally appropriate. New Processing Speed Subtests The three new game-like subtests offer engaging art and use an ink dauber to indicate responses, which minimizes fine motor demands. Each subtest is built with careful consideration to the cognitive, motor, and language development of young children. Bug Search and Animal Coding are adaptations of WPPSI-III Symbol Search and Coding. Cancellation is a more developmentally appropriate adaptation of the WISC-IV version.
Simplified Instructions
Simplified and shortened directions for children Demonstration, sample and teaching items used whenever possible to ensure clarity of task demands
More Efficient Test Administration
Numerous updates make administration as efficient and user-friendly as possible. Testing time is maintained or reduced while construct coverage is increased. Clear and concise examiner instructions, including shortened discontinue criteria and simplified substitution, invalidation, and proration rules. Stimulus book contents distributed to maximize portability New and durable storage solutions for manipulatives, including puzzles.
Updated and Improved Psychometric Properties
The normative sample was stratified to match current Hong Kong census data based on sex, race/ethnicity, parent education level, and geographical region for each group Improved subtest floors and ceilings Comparable or improved reliability for subtest and composite scores
Use & Applications
Identify and qualify students with cognitive delays for special services Evaluate children for cognitive delays, intellectual disabilities, autism and giftedness Evaluate the impact of traumatic brain injury on cognitive functions in children
| WAIS-IV (HK)— Fourth Edition (HONG KONG) | ||
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