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Kegel, Cornelia A. T.; Bus, Adriana G. – Infant and Child Development, 2014
Children showing poor executive functioning may not fully benefit from learning experiences at home and school and may lag behind in literacy skills. This hypothesis was tested in a sample of 276 kindergarten children. Executive functions and literacy skills were tested at about 61?months and again a year later. In line with earlier studies,…
Descriptors: Evidence, Attribution Theory, Alphabets, Executive Function
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Kegel, Cornelia A. T.; Bus, Adriana G. – Journal of Child Psychology and Psychiatry, 2013
Background: The dopamine D4 receptor gene (DRD4) has been linked to attention deficit hyperactivity disorder (ADHD) and reading disorders. In this study, we examined whether diminished anticipatory dopamine cell firing--typical of the long variant of the DRD4 allele--is related to emergent and advanced alphabetic skills, and whether executive…
Descriptors: Genetics, Executive Function, Attention Deficit Hyperactivity Disorder, Correlation
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Kegel, Cornelia A. T.; Bus, Adriana G.; van IJzendoorn, Marinus H. – Mind, Brain, and Education, 2011
Not every child seems equally susceptible to the same parental, educational, or environmental influences even if cognitive level is similar. This study is the first randomized controlled trial to apply the differential susceptibility paradigm to education in relation to children's genotype and early literacy skills. A randomized pretest-posttest…
Descriptors: Control Groups, Intervention, Intelligent Tutoring Systems, Computer Software