Now showing items 11-20 of 111
The spread of substance use and delinquency between adolescent twins
The spread of twin substance use and delinquency
(American Psychological Association, 2017-02)
This investigation examines the spread of problem behaviors (substance use and delinquency) between twin siblings. A sample of 628 twins (151 male twin pairs and 163 female twin pairs) drawn from the Quebec Newborn Twin ...
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 ...
Contagion of anxiety symptoms among adolescent siblings : a twin study
This study examined whether social contagion of anxiety symptoms is present between siblings during early adolescence and whether this process is moderated by sex, relationship quality, and zygosity. Based on 634 monozygotic ...
Associations between sibling relationship quality and friendship quality in early adolescence : looking at the case of twins
Sibling relationship and friendship quality
(Cambridge University Press, 2016-04)
Bidirectional pathways between twin relationship quality and friendship quality were investigated in a large longitudinal twin cohort. We examined negative and positive relationship features in 313 monozygotic (MZ) twins ...
Personal and familial predictors of peer victimization trajectories from primary to secondary school
Predictors of peer victimization trajectories
(American Psychological Association, 2016-07)
Using a sample of 767 children (403 girls, 364 boys), this study aimed to 1) identify groups with distinct trajectories of peer victimization over a six-year period from primary school through the transition to secondary ...
Associations between mother-child relationship quality and adolescent adjustment : using a genetically controlled design to determine the direction and magnitude of effects
This study used a genetically controlled design to examine the direction and the magnitude of effects in the over-time associations between perceived relationship quality with mothers and adolescent maladjustment (i.e., ...
Links between friends' physical aggression and adolescents' physical aggression : what happens if gene-environment correlations are controlled?
Exposure to deviant friends has been found to be a powerful source of influence on children’s and adolescents’ aggressive behavior. However, the contribution of deviant friends may have been overestimated because of a ...
Using a visual structured criterion for the analysis of alternating-treatment designs
Visual structured criterion
Although visual inspection remains common in the analysis of single-case designs, the lack of agreement between raters is an issue that may seriously compromise its validity. Thus, the purpose of our study was to develop ...
Comparison of tablet-delivered and instructor-delivered teaching on receptive identification in children with autism spectrum disorders
Tablet vs. instructor teaching
The purpose of our study was to compare the effectiveness of tablet- and instructor-delivered teaching (i.e., prompting and reinforcement) on the receptive identification of one-word concepts in children with autism spectrum ...
Links between the mother-adolescent and father-adolescent relationships and adolescent depression : a genetically informed study
Links between the parent-adolescent Relationship quality and depression
(Taylor & Francis, 2017-08-18)
This study examined the unique roles of support and conflict in the relationship with the mother and the father in predicting changes in adolescents’ depressive symptoms over a 1- year period. Potential moderating effects ...