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01 NRDC Dyslexia 1-88 update - Texthelp

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Developmental dyslexia in adults: a research review 147<br />

Appendix 2<br />

An analysis of dyslexia definitions<br />

Behaviour specific to literacy<br />

Lifelong<br />

Intrinsic<br />

Cognitive impairment<br />

Non-specific behaviour<br />

Comprehension deficit<br />

Writing deficit<br />

Spelling accuracy deficit<br />

Reading fluency deficit<br />

Reading Accuracy deficit<br />

IQ discrepant<br />

Age discrepant<br />

Advocates BDA 1 • • • • • •<br />

BDA 2 • • • • •<br />

BDA 3 • • •<br />

BD • • •<br />

Practitioners DI • • • • •<br />

IDA • • • • • •<br />

NJCLD • • • • • • • •<br />

Orton-Gillingham • • • • • • •<br />

BPS • • • • •<br />

CDHCN • • • •<br />

Hornsby • • • • •<br />

Klein • • • • •<br />

Scholars Fletcher (2002) • • • • •<br />

Fisher (2002) • • •<br />

Grigorenko (20<strong>01</strong>) • • • • •<br />

Stein (20<strong>01</strong>) • • •<br />

Snowling (2000) • •<br />

Snowling et al. (2000) • • • •<br />

Raskind (2000) • • •<br />

Cossu (1999)<br />

•<br />

Stanovich (1999) • •<br />

Frith (1999) • • • • •<br />

Padget (1996) • • • • • •<br />

Nicolson (1996) • •<br />

Stanovich (1996) • • •<br />

Badian (1994) • • • •<br />

WFN (1968) • • • •<br />

Government DfES (2002) •

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