ABSTRACT
Researchershaveidentifiedsourcesofindividualdifferencesinwritingacrossbeginninganddevelopingwriters. Theaimofthepresentstudywastofurtherclarifythesourcesofthisvariabilitybyinvestigatingtheextentto whichtherearedifferencesingeneticandenvironmentalfactorsunderlyingtheassociationsbetweenlexical diversity,syntacticknowledge,andsemanticcohesionknowledgeinrelationtowriting.Differenceswereexaminedacrosstwodevelopmentalphasesofwriting:beginning(i.e.,elementaryschool)anddeveloping(i.e., middleschool).Participantsincluded262twinpairs(Mage=10.88years)inelementaryschooland247twin pairs(Mage=13.21years)inmiddleschool.TwinsweredrawnfromtheFloridaTwinProjectonReading, Behavior,andEnvironment.Biometricmodelswereconductedseparatelyforsubgroupsdefinedbyphaseof writingdevelopment.Resultsindicatedsignificantetiologicaldifferencesinwritingcomponentsacrossthetwo phases,suchthateffectsassociatedwithgenesandnon-sharedenvironmentweregreaterwhileeffectsassociated withsharedenvironmentwerelowerindevelopingwritersascomparedtobeginningwriters.Furthermore, resultsshowedthatchild-specificenvironmentwasthelargestcontributortoindividualdifferencesinwriting componentsandtheircovariationforbothbeginninganddevelopingwriters.Theseresultsimplythateven directinstructionaboutwritinginschoolsmaybehavingdifferenteffectsonchildrenbasedontheirunique experiences
Keywords: Writing, Etiology, Developmentaldifferences, Twins
Adedayo, E. (2022). Effect of Genetic and Environmental Factors on Writing Development. Afribary. Retrieved from https://afribary.com/works/effect-of-gene-on-development-and-growth
Adedayo, Ezekiel "Effect of Genetic and Environmental Factors on Writing Development" Afribary. Afribary, 04 May. 2022, https://afribary.com/works/effect-of-gene-on-development-and-growth. Accessed 24 Dec. 2024.
Adedayo, Ezekiel . "Effect of Genetic and Environmental Factors on Writing Development". Afribary, Afribary, 04 May. 2022. Web. 24 Dec. 2024. < https://afribary.com/works/effect-of-gene-on-development-and-growth >.
Adedayo, Ezekiel . "Effect of Genetic and Environmental Factors on Writing Development" Afribary (2022). Accessed December 24, 2024. https://afribary.com/works/effect-of-gene-on-development-and-growth