Literacy skills seem to fuel literacy enjoyment,rather than vice versa |
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| Authors: | Elsje van Bergen Sara A. Hart Antti Latvala Eero Vuoksimaa Asko Tolvanen Minna Torppa |
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| Affiliation: | 1. Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands;2. Department of Psychology, Florida State University, Tallahassee, Florida, USA;3. Institute of Criminology and Legal Policy, University of Helsinki, Helsinki, Uusimaa, Finland;4. Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Uusimaa, Finland;5. Methodology Center for Human Sciences, University of Jyväskylä, Jyvaskyla, Keski-Suomi, Finland;6. Department of Teacher Education, University of Jyväskylä, Jyvaskyla, Keski-Suomi, Finland |
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| Abstract: | Children who like to read and write tend to be better at it. This association is typically interpreted as enjoyment impacting engagement in literacy activities, which boosts literacy skills. We fitted direction-of-causation models to partial data of 3690 Finnish twins aged 12. Literacy skills were rated by the twins’ teachers and literacy enjoyment by the twins themselves. A bivariate twin model showed substantial genetic influences on literacy skills (70%) and literacy enjoyment (35%). In both skills and enjoyment, shared-environmental influences explained about 20% in each. The best-fitting direction-of-causation model showed that skills impacted enjoyment, while the influence in the other direction was zero. The genetic influences on skills influenced enjoyment, likely via the skills→enjoyment path. This indicates an active gene-environment correlation: children with an aptitude for good literacy skills are more likely to enjoy reading and seek out literacy activities. To a lesser extent, it was also the shared-environmental influences on children's skills that propagated to influence children's literacy enjoyment. Environmental influences that foster children's literacy skills (e.g., families and schools), also foster children's love for reading and writing. These findings underline the importance of nurturing children's literacy skills. Highlights - It's known that how much children enjoy reading and writing and how good they are at it correlates ∼0.30, but causality remains unknown.
- We tested the direction of causation in 3690 twins aged 12.
- Literacy skills impacted literacy enjoyment, but not the other way around.
- Genetics influence children's literacy skills and how much they like and choose to read and write, indicating genetic niche picking.
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| Keywords: | causality heritability literacy enjoyment literacy skills print exposure reading ability |
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