Table 3 WPPSI-IV scaled score Sum to Composite score Conversion table
Scale | Scaled Scores | Composite Scores | Percentile Ranks | Confidence Intervals (95%) |
|---|---|---|---|---|
Verbal Comprehension Index (VCI) | 4 | 59 | 0.3 | 55–69 |
Visual Spatial Index (VSI) | 7 | 64 | 1 | 59–77 |
Fluid Reasoning Index (FRI) | 9 | 69 | 2 | 64–78 |
Working Memory Index (WMI) | 8 | 67 | 1 | 62–77 |
Processing Speed Index (PSI) | 11 | 75 | 5 | 69–88 |
Full Scale IQ (FSIQ) | 18 | 58 | 0.3 | 54–65 |