‘Self-control and grit are associated with school performance mainly because of shared genetic effects’
Open Access paper from JCPP Advances
Teachers filled out a survey on the twins’ school performance (school grades for reading, literacy, and math), self-control (ASEBA self-control scale), and grit (the perseverance aspect) for 4891 Dutch 12-years-old twin pairs (3837 pairs with data for both and 1054 pairs with data for one of the twins). We employed regression analyses to first assess the contributions of self-control and grit to school performance at the phenotypic level, and next at the genetic and environmental level, while correcting for rater (teacher) effects, parental SES, and sex.
Authors: Sofieke T. Kevenaar, Conor V. Dolan, Dorret I. Boomsma, Elsje van Bergen
First published: 26 April 2023
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