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Associations between peer victimization and suicidal ideation and suicide attempt during adolescence : results from a prospective population-based birth cohort
(Elsevier, 2015-11-26)
Objective:To test whether adolescents who are victim-ized by peers are at heightened risk for suicidal ideationand suicide attempt, using both cross-sectional andprospective investigations.Method:Participants are ...
Longitudinal associations of cannabis, depression, and anxiety in heterosexual and LGB adolescents
(American Psychological Association, 2021)
Cannabis use is linked to symptoms of depression and anxiety, particularly among sexual minorities.This study examines the relationships between cannabis, and depression and anxiety symptoms at 13,15, and 17 years using ...
Cannabis use, depression and suicidal ideation in adolescence : direction of associations in a population based cohort
(Elsevier, 2020-05-29)
Background
To clarify the direction of the association between frequency of cannabis use, depressive symptoms and suicidal ideation from 15 to 20 years using cross-lagged analyses.
Method
We included 1606 adolescents ...
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 ...