Now showing items 1-10 of 20
The validity of the Substance Use Risk Profile Scale (SURPS) among Australian adolescents
Aims: This study investigated the validity of a brief personality screening measure for substance use in adolescents, the Substance Use Risk Profile Scale (SURPS), among Australian adolescents. Design and participants: A ...
Complex effects of dyslexia risk factors account for ADHD-traits : evidence from two independent samples
Background: Developmental dyslexia (DD) and attention deficit/hyperactivity disorder (ADHD) are among the most common neurodevelopmental disorders, whose etiology involves multiple risk factors. DD and ADHD co-occur in the ...
Evidence of a unique and common genetic etiology between the CAR and the remaining part of the diurnal cycle : a study of 14 year-old twins
Introduction By and large, studies have reported moderate contributions of genetic factors to cortisol secreted in the early morning and even smaller estimates later in the day. In contrast, the cortisol awakening ...
Validation of an adapted procedure to collect hair for cortisol determination in adolescents
Adaption of the collection protocol for hair cortisol determination
Introduction In the last decades, cortisol has been extensively studied in association to early exposure to adversity as well as in the etiology of a number of physical and mental problems. While saliva and blood samples ...
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 ...
Genetic and environmental influences on height from infancy to early adulthood : an individualbased pooled analysis of 45 twin cohorts
(Nature Publishing Group, 2016-06-23)
Height variation is known to be determined by both genetic and environmental factors, but a systematic description of how their influences differ by sex, age and global regions is lacking. We conducted an individual-based ...
The interaction between temperament and the family environment in adolescent substance use and externalizing behaviors : support for diathesis–stress or differential susceptibility?
Both individual and environmental factors predict externalizing behaviors and substance use (EB-SU); however, different patterns of interaction among these factors may have different implications. This review first examines ...