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  • Title: Teachers' behaviour and children's academic achievement: Evidence of gene-environment interactions.
    Author: Guimond FA, Brendgen M, Vitaro F, Dionne G, Boivin M.
    Journal: Br J Educ Psychol; 2023 Mar; 93(1):167-182. PubMed ID: 36086861.
    Abstract:
    BACKGROUND: Children's academic achievement is considerably influenced by genetic factors, which rarely operate independently of environmental influences such as teachers' behaviour. Praise and punitive discipline are commonly used management strategies by teachers. However, their effects on the genetic expression of children's academic achievement are still unclear. AIMS: This study examined potential gene-environment interactions in the associations between children's estimated genetic disposition for academic achievement and teachers' use of praise and punitive discipline in predicting academic achievement. SAMPLE: The participants were 165 twin pairs in sixth grade (M = 12.1 years). METHODS: Teachers reported on children's academic achievement, as well as on their own behaviour. RESULTS: Multilevel regression analyses showed significant interactions between children's estimated genetic disposition for academic achievement and teachers' use of praise and punitive discipline, respectively, in predicting academic achievement. These interactions indicated an enhancement process, suggesting that genetically advantaged children are those most likely to benefit from regular praise and infrequent punishments from their teacher. Moreover, genetically advantaged children were not more (nor less) likely to receive praise or punishments than other students. However, students from underprivileged backgrounds were less likely to receive praise from their teachers. CONCLUSIONS: The results emphasize the importance of teachers' regular use of praise and infrequent punitive discipline to help genetically advantaged children reach their full potential. Future studies should investigate other protective factors of the school environment that might reduce the role of genetic influences that undermine disadvantaged youth's academic achievement.
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