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Test-Retest
Subtests ranged from .83 to .91.
Significant results.
Demonstrated by the high and low alphas.
1. Vocabulary
2. Block Design
3. Similarities
4. Matrix Reasoning
These two combine to measure verbal-crystallized abilities (VIQ)
These two combine to measure nonverbal-fluid abilities (PIQ)
Demonstrated by correlation of WASI coefficients to Wide Range Intelligence Test (WRIT) coefficients.
M=100
SD=15
Convergent validity is also indicated by higher correlations between similar subtests.
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