– Measures abstract verbal reasoning.
Here is a breakdown of the 4 index scores, what they actually measure, and what discrepancies between them can signal. wais iv
The WAIS-IV is a robust, statistically valid tool for mapping an adult's cognitive landscape. While the Full Scale IQ provides a global snapshot, the Index Scores (VCI, PRI, WMI, PSI) offer the critical diagnostic nuance required for treatment planning, accommodation requests (academic/workplace), and identifying neurocognitive disorders. – Measures abstract verbal reasoning