We recommend that information from all available informants should be used whenever possible, but when only one informant report is feasible, parent reports are preferable.
The current study aims to ascertain how different variants of callous-unemotional traits differ in their psychopathology, exposure to aggression and violence, and aggressive and violent behavior. If secondary/distressed variants (high in callous-unemotional traits and high in anxiety) and primary/traditional variants (high in callous-unemotional traits and low in anxiety) differ along these dimensions, it may speak to their different etiologies, treatment needs (e.g., trauma focused), and responsiveness to treatment. The current sample consisted of 799 adolescents from high schools (n = 419) and juvenile detention centers (n = 380). Participants were interviewed regarding their callous-unemotional traits, psychopathology, exposure to aggression and violence, and aggressive and violent behavior. Parents/guardians and teachers/staff members also reported on participants' callous-unemotional traits and aggressive and violent behavior. A model-based cluster analysis indicated that there were four clusters in the data set, based on callous-unemotional traits and anxiety: a nonvariant cluster, a primary/traditional callous-unemotional cluster, a secondary/distressed callous-unemotional cluster, and a "fearful" cluster. Secondary/distressed variants of psychopathy exhibited significantly greater symptoms of depression and psychoticism, more exposure to low level aggression and neighborhood violence, and more aggressive and violent behavior, as compared to the other clusters. Adolescents with callous-unemotional traits might not be a homogeneous group, but rather may differ in attitudes, behaviors, and exposure to risk, therefore differing in their treatment needs and responsiveness.
Psychological scientists have long sought to determine the relative impact of environmental influences over development and behavior in comparison with the impact of personal, dispositional, or genetic influences. This has included significant interest in the role played by media in children's development with a good deal of emphasis on how violent media spark and shape aggressive behavior in children and adolescents. Despite a variety of methodological weaknesses in his meta-analysis, Ferguson (2015, this issue) presents evidence to support the positive association between violent media consumption and a number of poor developmental outcomes. In this Commentary we discuss this meta-analytic work and how it fits into a broader understanding of human development.
BACKGROUND: Cannabis concentrates, which are cannabis plant extracts that contain high concentrations of D-9-tetrahydrocannbinol (THC), have become increasingly popular among adults in the United States. However, no studies have reported on the prevalence or correlates of cannabis concentrate use in adolescents, who, as a group, are thought to be particularly vulnerable to the harms of THC. METHODS: Participants are a racially and ethnically diverse group of 47 142 8th-, 10th-, and 12thgrade students recruited from 245 schools across Arizona in 2018. Participants reported on their lifetime and past-month marijuana and cannabis concentrate use, other substance use, and risk and protective factors for substance use problems spanning multiple life domains (ie, individual, peer, family, school, and community). RESULTS: Thirty-three percent of all 8th-, 10th-, and 12th-graders reported lifetime cannabis use, and 24% reported lifetime concentrate use. Seventy-two percent of all lifetime cannabis users had used concentrates. Relative to adolescent cannabis users who had not used concentrates, adolescent concentrate users were more likely to use other substances and to experience more risk factors, and fewer protective factors, for substance use problems across numerous life domains. CONCLUSIONS: Most adolescent cannabis users have used concentrates. Based on their risk and protective factor profile, adolescent concentrate users are at higher risk for substance use problems than adolescent cannabis users who do not use concentrates. Findings raise concerns about high-risk adolescents' exposure to high-THC cannabis. WHAT'S KNOWN ON THIS SUBJECT: Cannabis concentrates have high D-9-tetrahydrocannbinol (THC) content, and adolescents are thought to be especially vulnerable to the harms of THC. However, little is known about the prevalence or correlates of concentrate use in adolescents. WHAT THIS STUDY ADDS: Cannabis concentrate use was common in adolescents (prevalence = 24%). Concentrate users were worse off than nonconcentrate cannabis users on every risk and protective factor for substance use problems, raising concerns about high-risk adolescents' exposure to high-THC cannabis.
We surveyed male ex-offenders (N = 100) about their experiences during and prior to incarceration to assess the role of these factors in psychosocial adjustment postrelease. Participants completed measures of preincarceration mental health problems and severe victimization and feelings of safety during incarceration; they also self-reported emotional distress, antisocial behavior, and posttraumatic stress (PTS). Moderator analyses of PTS outcomes revealed two key interactions between preincarceration mental health problems and severe victimization during incarceration as well as preincarceration mental health problems by feelings of safety during incarceration. In those without preincarceration mental health problems, victimization and PTS were significantly positively related; this was not the case for those with preexisting mental problems. Furthermore, the positive relation between feeling unsafe and PTS was stronger among those with preexisting mental problems. Findings are discussed with respect to implications for reentry services.
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