The current study examines the extent to which associations between internalizing problems, body mass index (BMI), and language skills from early (36 months) to late childhood (fifth grade) are due to relatively stable between-child differences, time-specific correlations, or cross-lagged paths. Data from the NICHD study, Early Child Care and…

Tenets of the Boivin et al. (1995) social process model were reexamined with two longitudinal samples using both the original and contemporary analytic strategies. Study goals included reconstructing (e.g., quasireplicating) Boivin et al.'s (1995) original findings and evaluating hypothesized relations across both comparable and longer…

Co-occurring problems with mood and anxiety among adolescents and adults on the autism spectrum are highly prevalent and contribute to poor outcomes and diminished quality of life. The current study's principal aim was to evaluate variation in the presentation of depression symptomatology among adolescents and adults with autism spectrum disorder,…

By tracking longitudinally a sample of American children (n = 1,097), this study examined the extent to which enrollment in private schools between kindergarten and ninth grade was related to students' academic, social, psychological, and attainment outcomes at age 15. Results from this investigation revealed that in unadjusted models, children…

We examined associations between adolescent problem trajectories and suicide risk outcomes in 361 community participants. Depressive symptoms (self-report) and externalizing behaviors (parent report) were assessed six times from grades 5 to 10. Parallel process linear growth curves indicated that lifetime suicide attempt history assessed to age 25…

This study investigated the efficacy of cognitive behavioural therapy (CBT) techniques in preventing depression and anxiety in a group of adolescent high school students with elevated risk for developing emotional disorders. Students were screened using a measure of depression severity and clinical interview. Following screening procedures,…