Childhood adversity takes a toll on lifelong health. However, investigations of unpredictability as a form of adversity are lacking. Environmental unpredictability across multiple developmental periods and ecological levels was examined using a multiethnic, longitudinal birth cohort (1998-2000) oversampled for unmarried parents. Data were from the…

A primary goal of this study was to examine adolescents' use of the most commonly used social media apps in the United States. An additional goal was to examine the relationship between social media use and adolescent externalizing behaviors. The moderating influences of gender and race/ethnicity also were assessed. The sample included 1,072…

Adolescent marijuana use has become increasingly more problematic compared with the past; thus, understanding developmental processes that increase the liability of marijuana use is essential. Two developmental pathways to adolescent substance use have been proposed: an externalizing pathway that emphasizes the expression of aggressive and…

The onset of behavioral problems in early childhood is associated with an increased frequency of delinquent behavior. A significant amount of youth in the juvenile justice system have histories of mental illness and psychological distress. However, little is known about what factors mediate the relationship between early onset behavioral problems…

This paper studies the impact of compulsory schooling on violent behaviour and victimization in school using individual-level administrative data matching education and criminal records from Queensland (Australia). Exploiting a legislative increase in the minimum dropout age in 2006, this study defines a series of regression-discontinuity…

Most studies on grit examined participants who were more successful than others and found grit was a significant factor. There was a gap in the literature for participants with extreme failure, first-time-detained juvenile delinquents, and the impact of grit. The purpose of the present study was an explanatory and exploratory study of grit and the…

Much research has been done into the relationship between students' motivation to learn and their basic psychological needs as defined by the self-determination theory (autonomy, competence, relatedness). However, few studies have explored how these psychological needs relate to different types of maladaptive behavior in the classroom. To prevent…

The present study applied the social-ecological framework to explore factors associated with adolescents' experiences in bullying victimization in Taiwanese middle schools. Data include a random sample of 1,262 students, ages 13-15, from 43 middle schools in Taiwan's New Taipei City. Hierarchical generalized linear modeling was utilized to analyze…

A growing body of research has acknowledged the heterogeneity of subclinical social anxiety, identifying a subgroup of individuals who exhibit high levels of impulsivity. In a sample of Swedish early adolescents (N=2,509, M[subscript age]=13.64; 52.8% girls), we conducted latent transition analyses (LTA) to identify four classes of subclinical…

The use of mental health-related intake assessments by juvenile correctional facilities as predictive measures of confinement behavior has seen limited use in recent years. This study employs the Massachusetts Youth Screening Instrument-Version 2 (MAYSI-2) and How I Think Questionnaire (HIT) as measurement tools on the same data set to assess the…

This article aims to provide a critical analysis of how much we know about the effectiveness of parental monitoring in preventing adolescent delinquency. First, it describes the historical developments in parental monitoring research. Second, it explains why it is uncertain whether causal inferences can be drawn from contemporary research findings…

Childhood exposure to traumatic experiences and subsequent psychological symptoms increase the risk for lifelong behavioral and mental health problems, including depression diagnoses, reduced adaptive coping strategies, substance abuse, and early death, with negative impacts on children's social development and academic achievement.…

Youth referred to mentoring programs vary considerably in the range and severity of difficulties (i.e., behavioral, internalizing, social and academic) and environmental challenges they face. However, their patterns of risk and corresponding consequences for mentoring have rarely been investigated. This study draws on data for youth participants…

Background: A high prevalence of Developmental Language Disorder (DLD) is reported in the population of Young Offenders (YO). However, little is known about the extent of the association between language and offending behaviour relative to social disadvantage, education attendance and non-verbal intelligence (IQ), and neither has this association…

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 Study completed inventories describing delinquency and substance use at ages 13, 14, and 15. A 3-wave longitudinal actor-partner…