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Keltikangas-Jarvinen, Liisa; Pullmann, Helle; Pulkki-Raback, Laura; Alatupa, Saija; Lipsanen, Jari; Airla, Nina; Lehtimaki, Terho – Mind, Brain, and Education, 2008
High parental socioeconomic status is known to have a positive effect on students' academic achievement. We examined whether variation in the dopamine receptor gene (DRD2 polymorphism, rs 1800497) modifies the association between parental educational level and school performance in adolescence. The participants were a randomly selected subsample…
Descriptors: Family Income, Hyperactivity, Genetics, Metabolism
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Wallenius, Marjut; Rimpela, Arja; Punamaki, Raija-Leena; Lintonen, Tomi – Journal of Applied Developmental Psychology, 2008
The aims of this research were to describe Finnish adolescents' different motives for digital game playing, and to examine relations between digital game playing and parent-child communication, school performance, sleeping habits, and perceived health. A questionnaire was used to assess a nationwide postal sample of 12-18-year-old Finns (6761…
Descriptors: Parent Child Relationship, Adolescents, Computers, Motivation