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Direct linkCotton, Sue M.; Crewther, David P.; Crewther, Sheila G. – Dyslexia, 2005
The diagnosis of developmental dyslexia (DD) is reliant on a discrepancy between intellectual functioning and reading achievement. Discrepancy-based formulae have frequently been employed to establish the significance of the difference between "intelligence" and "actual" reading achievement. These formulae, however, often fail to take into…
Descriptors: Intelligence, Dyslexia, Reading Achievement, Test Reliability
