author_facet Byrne, Brian
Coventry, William L.
Olson, Richard K.
Hulslander, Jacqueline
Wadsworth, Sally
DeFries, John C.
Corley, Robin
Willcutt, Erik G.
Samuelsson, Stefan
Byrne, Brian
Coventry, William L.
Olson, Richard K.
Hulslander, Jacqueline
Wadsworth, Sally
DeFries, John C.
Corley, Robin
Willcutt, Erik G.
Samuelsson, Stefan
author Byrne, Brian
Coventry, William L.
Olson, Richard K.
Hulslander, Jacqueline
Wadsworth, Sally
DeFries, John C.
Corley, Robin
Willcutt, Erik G.
Samuelsson, Stefan
spellingShingle Byrne, Brian
Coventry, William L.
Olson, Richard K.
Hulslander, Jacqueline
Wadsworth, Sally
DeFries, John C.
Corley, Robin
Willcutt, Erik G.
Samuelsson, Stefan
Journal of Research in Reading
A behaviour‐genetic analysis of orthographic learning, spelling and decoding
Psychology (miscellaneous)
Developmental and Educational Psychology
Education
author_sort byrne, brian
spelling Byrne, Brian Coventry, William L. Olson, Richard K. Hulslander, Jacqueline Wadsworth, Sally DeFries, John C. Corley, Robin Willcutt, Erik G. Samuelsson, Stefan 0141-0423 1467-9817 Wiley Psychology (miscellaneous) Developmental and Educational Psychology Education http://dx.doi.org/10.1111/j.1467-9817.2007.00358.x <jats:p>As part of a longitudinal twin study of literacy and language, we conducted a behaviour‐genetic analysis of orthographic learning, spelling and decoding in Grade 2 children (225 identical and 214 fraternal twin pairs) in the United States and Australia. Each variable showed significant genetic and unique environment influences. Multivariate analyses revealed very high genetic correlations among the variables, indicating that the same genes are involved in their aetiology. These genes are partly independent of those contributing to intelligence. A further analysis indicated that the covariation between decoding and orthographic learning is mediated by shared genes rather than by a direct causal path. The authors argue that a learning parameter, most directly assessed by orthographic learning in this study, underlies all three literacy variables. The results are also discussed in relation to Share's self‐teaching hypothesis, which may require modification.</jats:p> A behaviour‐genetic analysis of orthographic learning, spelling and decoding Journal of Research in Reading
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title A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_unstemmed A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_full A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_fullStr A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_full_unstemmed A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_short A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_sort a behaviour‐genetic analysis of orthographic learning, spelling and decoding
topic Psychology (miscellaneous)
Developmental and Educational Psychology
Education
url http://dx.doi.org/10.1111/j.1467-9817.2007.00358.x
publishDate 2008
physical 8-21
description <jats:p>As part of a longitudinal twin study of literacy and language, we conducted a behaviour‐genetic analysis of orthographic learning, spelling and decoding in Grade 2 children (225 identical and 214 fraternal twin pairs) in the United States and Australia. Each variable showed significant genetic and unique environment influences. Multivariate analyses revealed very high genetic correlations among the variables, indicating that the same genes are involved in their aetiology. These genes are partly independent of those contributing to intelligence. A further analysis indicated that the covariation between decoding and orthographic learning is mediated by shared genes rather than by a direct causal path. The authors argue that a learning parameter, most directly assessed by orthographic learning in this study, underlies all three literacy variables. The results are also discussed in relation to Share's self‐teaching hypothesis, which may require modification.</jats:p>
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author Byrne, Brian, Coventry, William L., Olson, Richard K., Hulslander, Jacqueline, Wadsworth, Sally, DeFries, John C., Corley, Robin, Willcutt, Erik G., Samuelsson, Stefan
author_facet Byrne, Brian, Coventry, William L., Olson, Richard K., Hulslander, Jacqueline, Wadsworth, Sally, DeFries, John C., Corley, Robin, Willcutt, Erik G., Samuelsson, Stefan, Byrne, Brian, Coventry, William L., Olson, Richard K., Hulslander, Jacqueline, Wadsworth, Sally, DeFries, John C., Corley, Robin, Willcutt, Erik G., Samuelsson, Stefan
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description <jats:p>As part of a longitudinal twin study of literacy and language, we conducted a behaviour‐genetic analysis of orthographic learning, spelling and decoding in Grade 2 children (225 identical and 214 fraternal twin pairs) in the United States and Australia. Each variable showed significant genetic and unique environment influences. Multivariate analyses revealed very high genetic correlations among the variables, indicating that the same genes are involved in their aetiology. These genes are partly independent of those contributing to intelligence. A further analysis indicated that the covariation between decoding and orthographic learning is mediated by shared genes rather than by a direct causal path. The authors argue that a learning parameter, most directly assessed by orthographic learning in this study, underlies all three literacy variables. The results are also discussed in relation to Share's self‐teaching hypothesis, which may require modification.</jats:p>
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spelling Byrne, Brian Coventry, William L. Olson, Richard K. Hulslander, Jacqueline Wadsworth, Sally DeFries, John C. Corley, Robin Willcutt, Erik G. Samuelsson, Stefan 0141-0423 1467-9817 Wiley Psychology (miscellaneous) Developmental and Educational Psychology Education http://dx.doi.org/10.1111/j.1467-9817.2007.00358.x <jats:p>As part of a longitudinal twin study of literacy and language, we conducted a behaviour‐genetic analysis of orthographic learning, spelling and decoding in Grade 2 children (225 identical and 214 fraternal twin pairs) in the United States and Australia. Each variable showed significant genetic and unique environment influences. Multivariate analyses revealed very high genetic correlations among the variables, indicating that the same genes are involved in their aetiology. These genes are partly independent of those contributing to intelligence. A further analysis indicated that the covariation between decoding and orthographic learning is mediated by shared genes rather than by a direct causal path. The authors argue that a learning parameter, most directly assessed by orthographic learning in this study, underlies all three literacy variables. The results are also discussed in relation to Share's self‐teaching hypothesis, which may require modification.</jats:p> A behaviour‐genetic analysis of orthographic learning, spelling and decoding Journal of Research in Reading
spellingShingle Byrne, Brian, Coventry, William L., Olson, Richard K., Hulslander, Jacqueline, Wadsworth, Sally, DeFries, John C., Corley, Robin, Willcutt, Erik G., Samuelsson, Stefan, Journal of Research in Reading, A behaviour‐genetic analysis of orthographic learning, spelling and decoding, Psychology (miscellaneous), Developmental and Educational Psychology, Education
title A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_full A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_fullStr A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_full_unstemmed A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_short A behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_sort a behaviour‐genetic analysis of orthographic learning, spelling and decoding
title_unstemmed A behaviour‐genetic analysis of orthographic learning, spelling and decoding
topic Psychology (miscellaneous), Developmental and Educational Psychology, Education
url http://dx.doi.org/10.1111/j.1467-9817.2007.00358.x