Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/30303
Title: Differential Influences of Genes and Environment Across the Distribution of Reading Ability
Contributor(s): McGowan, Dipti (author); Little, Callie W  (author); Coventry, William L  (author)orcid ; Corley, Robin (author); Olson, Richard K (author); Samuelsson, Stefan (author); Byrne, Brian  (author)orcid 
Publication Date: 2019-08-05
DOI: 10.1007/s10519-019-09966-7
Handle Link: https://hdl.handle.net/1959.11/30303
Abstract: We partitioned early childhood reading into genetic and environmental sources of variance and examined the full distribution of ability levels from low through normal to high as computed by quantile regression. The full sample comprised twin pairs measured at preschool (n = 977), kindergarten (n = 1028), grade 1 (n = 999), and grade 2 (n = 1000). Quantile regression analyses of the full distribution of literacy ability showed genetic influence in all grades from preschool to grade 2. At preschool, the low end of the distribution had higher genetic influence than the high end of the distribution and the shared environment influence was the opposite. These shared environment influences of preschool became insignificant with formal schooling. This suggests that higher scores in pre-literacy skills (preschool) are more influenced by shared environment factors, though these are short-lived. This study discusses the factors that may be influencing the results.
Publication Type: Journal Article
Grant Details: ARC/DP0663498
ARC/DP0770805
Source of Publication: Behavior Genetics, 49(5), p. 425-431
Publisher: Springer New York LLC
Place of Publication: United States of America
ISSN: 1573-3297
0001-8244
Fields of Research (FoR) 2008: 170103 Educational Psychology
060412 Quantitative Genetics (incl. Disease and Trait Mapping Genetics)
Fields of Research (FoR) 2020: 520102 Educational psychology
310506 Gene mapping
Socio-Economic Objective (SEO) 2008: 930101 Learner and Learning Achievement
Socio-Economic Objective (SEO) 2020: 160101 Early childhood education
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Psychology

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