At what point, numerically, do regular IQ tests, like the WISC-IV or WISC-V start losing their ability to correctly measure very high scores? When should one consider an extended norms test to
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Amazon.com: WISC-IV Administration and Scoring Manual (Wechsler Intelligence Scale for Children- Fourth Edition): 9780158979182: Wechsler, David: Books
Discrepancy between WISC-III and WISC-IV Cognitive Profile in Autism Spectrum: What Does It Reveal about Autistic Cognition? | PLOS ONE
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