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Genetic and environmental etiologies of reading disability: A twin study.

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Title: Genetic and environmental etiologies of reading disability: A twin study.
Authors: LaBuda, Michele C.1, DeFries, J. C.1, Labuda, M C2 (AUTHOR)
Source: Annals of Dyslexia. 1988, Vol. 38, p131-138. 8p.
Subject Terms: *Reading disability, *Learning disabilities, *Reading, *Dyslexia, *Children, *People with dyslexia, Genetics, Etiology of diseases, Psychometrics
Abstract: Previous twin studies of reading disability employed a comparison of concordance rates in identical and fraternal twin pairs as a test for genetic etiology. Recently, a statistically more powerful multiple regression analysis of twin data has been formulated to assess the importance of genetic factors in the development of reading difficulties. Application of this analysis to twin data from the Colorado Reading Project yields definitive evidence for a genetic etiology. Results from this study suggest that approximately 40 percent of the deficit observed in the disabled readers is due to genetic factors, 35 percent is due to environmental influences shared by members of twin pairs, and about 25 percent is the result of environmental factors unique to the individual and/or error variance. [ABSTRACT FROM AUTHOR]
Copyright of Annals of Dyslexia is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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Header DbId: ehh
DbLabel: Education Research Complete
An: 19602344
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Genetic and environmental etiologies of reading disability: A twin study.
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  Data: <searchLink fieldCode="AR" term="%22LaBuda%2C+Michele+C%2E%22">LaBuda, Michele C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22DeFries%2C+J%2E+C%2E%22">DeFries, J. C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Labuda%2C+M+C%22">Labuda, M C</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Annals+of+Dyslexia%22">Annals of Dyslexia</searchLink>. 1988, Vol. 38, p131-138. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Reading+disability%22">Reading disability</searchLink><br />*<searchLink fieldCode="DE" term="%22Learning+disabilities%22">Learning disabilities</searchLink><br />*<searchLink fieldCode="DE" term="%22Reading%22">Reading</searchLink><br />*<searchLink fieldCode="DE" term="%22Dyslexia%22">Dyslexia</searchLink><br />*<searchLink fieldCode="DE" term="%22Children%22">Children</searchLink><br />*<searchLink fieldCode="DE" term="%22People+with+dyslexia%22">People with dyslexia</searchLink><br /><searchLink fieldCode="DE" term="%22Genetics%22">Genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Etiology+of+diseases%22">Etiology of diseases</searchLink><br /><searchLink fieldCode="DE" term="%22Psychometrics%22">Psychometrics</searchLink>
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  Label: Abstract
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  Data: Previous twin studies of reading disability employed a comparison of concordance rates in identical and fraternal twin pairs as a test for genetic etiology. Recently, a statistically more powerful multiple regression analysis of twin data has been formulated to assess the importance of genetic factors in the development of reading difficulties. Application of this analysis to twin data from the Colorado Reading Project yields definitive evidence for a genetic etiology. Results from this study suggest that approximately 40 percent of the deficit observed in the disabled readers is due to genetic factors, 35 percent is due to environmental influences shared by members of twin pairs, and about 25 percent is the result of environmental factors unique to the individual and/or error variance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Annals of Dyslexia is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/BF02648252
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 131
    Subjects:
      – SubjectFull: Reading disability
        Type: general
      – SubjectFull: Learning disabilities
        Type: general
      – SubjectFull: Reading
        Type: general
      – SubjectFull: Dyslexia
        Type: general
      – SubjectFull: Children
        Type: general
      – SubjectFull: People with dyslexia
        Type: general
      – SubjectFull: Genetics
        Type: general
      – SubjectFull: Etiology of diseases
        Type: general
      – SubjectFull: Psychometrics
        Type: general
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      – TitleFull: Genetic and environmental etiologies of reading disability: A twin study.
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            NameFull: LaBuda, Michele C.
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            NameFull: DeFries, J. C.
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          Name:
            NameFull: Labuda, M C
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            – D: 01
              M: 12
              Text: 1988
              Type: published
              Y: 1988
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              Value: 38
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            – TitleFull: Annals of Dyslexia
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