When interpreting WIAT-4 results in the context of a cognitive discrepancy analysis, which score comparison is most commonly used?
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A
WIAT-4 composite vs. WIAT-4 subtest scores
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B
WIAT-4 achievement scores vs. WISC-5 or WASI-2 ability scores
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C
WIAT-4 age scores vs. WIAT-4 grade scores
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D
WIAT-4 raw scores vs. national percentile ranks