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The impact of environmental factors on components of reading and dyslexia

  • Part III Speech Development, Perception, and Production; Components of Reading; Defining Mathematics Learning Disability
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Abstract

Data from 123 male adults were analyzed to estimate environmental influences on components of literacy skills and to explore the impact of environmental factors in different approaches to define reading difficulty. Literacy skills were decomposed into general cognitive function, reading comprehension, spelling, word reading, and phonological ability. Environmental factors examined were related to home conditions, school conditions, and literacy environment. Results suggest that there is a substantial social-cultural bias in the delineation of literacy skills and in the definitions of reading disabilities. Results also suggest that phonological ability constitutes the only measure relatively unaffected by environmental influences. This study has brought forward a new argument for emphasizing phonological deficits as the core component in defining dyslexia.

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Correspondence to Stefan Samuelsson.

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Samuelsson, S., Lundberg, I. The impact of environmental factors on components of reading and dyslexia. Ann. of Dyslexia 53, 201–217 (2003). https://doi.org/10.1007/s11881-003-0010-8

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  • DOI: https://doi.org/10.1007/s11881-003-0010-8

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