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Ashley -- Just for future reference, the wisc iv guide I am reading mentions the matrix reasoning subtest specifically as more difficult to interpret if a child has color blindness. ie it sounds like there may be some aspects that depend on color recognition.
That's interesting Polly - my ds is red-green color bond and did really well on matrix reasoning, but had a dip in picture concepts. Is the guide you're reading online? I'm just wondering if there are other places in the WISC where color blindness might be an issue.
polarbear
This is very interesting to me. DS5 tanked on both Picture Vocabulary and Matrix reasoning, did very well (98th percentile) on other sections, and is red/green colorblind. I would love to see that guide, too. They only do a very abbreviated set of Woodcock Johnson and WISC, so the two sections had a large impact on his overall score.