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Environmental and genetic influences on prereading skills in Australia, Scandinavia, and the United States
Linköping University, Faculty of Arts and Sciences. Linköping University, Department of Behavioural Sciences, Teaching and Learning in School, Teacher Education and other Educational Settings.
University of New England, Australia.
University of New England, Australia.
University of Colorado, USA.
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2005 (English)In: Journal of Educational Psychology, ISSN 0022-0663, E-ISSN 1939-2176, Vol. 97, no 4, 705-722 p.Article in journal (Refereed) Published
Abstract [en]

Individual differences in measures of prereading skills and in questionnaire measures of 4-5-year-old twins' print environments in Australia, Scandinavia, and the United States were explored with a behavioral-genetic design. Modest phenotypic correlations were found between environmental measures and the twins' print knowledge, general verbal ability, and phoneme awareness. Lower print knowledge in Scandinavian twins was related to country differences in preschool print environment. Latent-trait behavioral-genetic analyses indicated very strong shared-environment influences on individual differences in Print Knowledge. Genetic influence was also significant. Several other prereading skills varied in their environmental and genetic influence, including a significant contrast between Phonological Awareness and Print Knowledge. Rapid Naming also revealed very strong genetic influence, as did Verbal Memory. Stronger shared-environment influences were found for Vocabulary and Grammar/Morphology. Genetic and environmental correlations among latent traits for General Verbal Ability, Phonological Awareness, and Print Knowledge were high, but there were also significant independent genetic and environmental contributions to each skill. Practical implications include the need for substantial and sustained instructional support for children hampered by genetic constraints on early literacy development. Copyright 2005 by the American Psychological Association.

Place, publisher, year, edition, pages
2005. Vol. 97, no 4, 705-722 p.
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Social Sciences
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URN: urn:nbn:se:liu:diva-30946DOI: 10.1037/0022-0663.97.4.705Local ID: 16622OAI: oai:DiVA.org:liu-30946DiVA: diva2:251769
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13

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Samuelsson, Stefan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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