The current study investigated the patterns of aggressive behavior displayed in a sample of 282 students in the 4th through 7th grades (M age = 11.28; SD = 1.82). Using cluster analyses, two distinct patterns of physical aggression emerged for both boys and girls with one aggressive cluster showing mild levels of reactive aggression and one group showing high levels of both reactive and proactive aggression. Both aggressive clusters showed problems with anger dysregulation, impulsivity, thrill and adventure seeking, positive outcome expectancies for aggression, and higher rates of bullying. However, the combined cluster was most severe on all of these variables and only the combined aggressive group differed from non-aggressive students on their level of callous-unemotional traits. Similar patterns of findings emerged for relational aggression but only for girls.

Objective-Relying on indicators coded from information collected routinely during intake assessments at a secure inpatient psychiatric facility, this study examined the extent to which different forms of maltreatment accounted for variations in youths' emotional and behavioral problems.Methods-Clinical information was reviewed for a large (N = 401) and diverse sample (mean age = 13.9 years; 53% male; 54.6% racial/ethnic minority) of youth admitted to a publicly funded psychiatric hospital. Data were drawn from intake narratives, standardized psychopathology rating scales, and psychiatric diagnostic ratings.Results-Findings provide some support for a hierarchical classification of multiple maltreatment experiences with sexual abuse identified as the specific form of maltreatment most reliably associated with poor adjustment. Support also was obtained for a cumulative classification approach, as the number of different types of maltreatment experiences was linked positively to elevated psychopathology ratings.Conclusions-Even in this high-risk, atypical sample, maltreatment experiences account for variation in levels of psychopathology. These results have implications for classifying multiple maltreatment and enhancing clinical care for atypical youth who have been maltreated.Practice implications-Clinicians working in youth psychiatric populations should implement maltreatment-specific psychotherapy approaches for maltreated youth, even as adjunctive treatments in a therapeutic milieu.

Relations among exposure to violence, coping, and adjustment were examined in three urban samples. In study 1, which took place in a southeastern city, children ages 6-16 (N = 35; M age = 10.7 years) completed measures of adjustment, exposure to violence, and coping with violence. In study 2, which took place in one southern Midwestern city and one Northeastern city, children ages 8-15 (N = 70; M age = 11.3 years) completed similar measures with the addition of a measure assessing normative beliefs about aggression. Results are in line with the pathologic adaptation model and provide preliminary evidence for two hypothesized pathways explaining the effects of exposure to violence on adjustment: a normalization pathway in which exposure leads to more aggressionsupporting beliefs and in turn to greater aggression, and a distress pathway in which exposure leads to avoidant coping and in turn to emotional symptoms.

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