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5-Httlpr, Drd4 Gene, College Students’ Psychological Characters And Academic Performance, Weiyi Guo

Graduate Dissertations and Theses

The purpose of this study, “Genetic basis of Academic Performance,” is to evaluate associations between the 5-HTTLPR, the DRD4 gene, psychological characteristics including metacognition and depression, and academic performance as reflected in SAT scores. We discovered that participants with 2-repeat or 7-repeat alleles of the DRD4 gene have significantly lower scores on the Metacognition tests (P = 0.022) and two subclades of metacognition, “Cognitive Self-Consciousness” (P = 0.021) and “Need to Control Thoughts” (P = 0.040), as compared to those without 2-repeat or 7-repeat alleles. 7-repeat allele DRD4 gene carriers have significantly higher scores for alcohol use disorders than those …