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Oliver, Bonamy R.; Pike, Alison – Developmental Psychology, 2018
Links between positive and negative aspects of the parent-child relationship and child adjustment are undisputed. Scholars recognize the importance of parental differential treatment (PDT) of siblings, yet, less is known about PDT in the context of the shared (family-wide) parent-child relationship climate, or about the extent to which positivity…
Descriptors: Parent Child Relationship, Mothers, Child Development, Adjustment (to Environment)
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Hygen, Beate Wold; Belsky, Jay; Stenseng, Frode; Lydersen, Stian; Guzey, Ismail Cuneyt; Wichstrøm, Lars – Developmental Psychology, 2015
Both genetic and environmental factors contribute to individual differences in aggression. Catechol-O-methyltransferase Val158Met (COMT), a common, functional polymorphism, has been implicated in aggression and aggression traits, as have childhood experiences of adversity. It is unknown whether these effects are additive or interactional and, in…
Descriptors: Aggression, Genetics, Environmental Influences, Interaction
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Frei, Lukas; Schuepbach, Marianne; Nieuwenboom, Wim; von Allmen, Benjamin – International Journal for Research on Extended Education, 2016
So far, empirical evidence regarding the effects of extended education on externalizing behavior is mixed. To explore possible moderators, multilevel-analyses were conducted in a longitudinal sample of 492 students from 51 all-day schools in Switzerland. No main effects of utilization intensity, interaction quality and externalizing behavior in…
Descriptors: After School Programs, Behavior Problems, School Schedules, Peer Influence