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Now showing items 11-17 of 17
Twin classroom dilemma : to study together or separately?
(American Psychological Association, 2018-07)
There is little research to date on the academic implications of teaching twins in the same or different classroom. Consequently, it is not clear whether twin classroom separation is associated with positive or negative ...
Heterogeneity in the development of proactive and reactive aggression in childhood : Common and specific genetic-environmental factors
(Public Library of Science, 2017-12-06)
Background
Few studies are grounded in a developmental framework to study proactive and reactive aggression. Furthermore, although distinctive correlates, predictors and outcomes have been highlighted, proactive and reactive ...
A longitudinal empirical investigation of the pathways model of problem gambling
Longitudinal investigation of the pathways model
(Springer, 2017-12-31)
Background and Aims: The Pathways Model of Problem Gambling suggests the existence of
three developmental pathways to problem gambling, each differentiated by a set of predisposing
biopsychosocial characteristics: ...
Identifying at-risk profiles and protective factors for problem gambling : a longitudinal study across adolescence and early adulthood
(American Psychological Association, 2018-03-19)
Past studies have identified various risk and protective factors for problem gambling (PG). However, no study has examined the interplay between these factors using a combination of person-centered and variable-centered ...
Persistent genetic and family-wide environmental contributions to early number knowledge and later achievement in mathematics
Etiology of early math knowledge and skills development
(SAGE, 2017-10-03)
This study investigated the stable and transient genetic and environmental contributions to
individual differences in number knowledge in the transition from preschool (age 5) to Grade 1
(age 7) and to the predictive ...
Persistence and innovation effects in genetic and environmental factors in negative emotionality during infancy : a twin study
(Public Library of Science, 2017-04-27)
Background
Difficult temperament in infancy is a risk factor for forms of later internalizing and externalizing
psychopathology, including depression and anxiety. A better understanding of the roots
of difficult temperament ...
Serotonin transporter promoter methylation in peripheral cells and neural responses to negative stimuli : a study of adolescent monozygotic twins
(Springer Nature, 2018-08-08)
Several studies have examined associations between peripheral DNA methylation patterns of the serotonin transporter
gene (SLC6A4) promoter and symptoms of depression and anxiety. The SLC6A4 promoter methylation has also ...