Problem/Condition: Autism spectrum disorders (ASDs) are a group of developmental disabilities characterized by atypical development in socialization, communication, and behavior. ASDs typically are apparent before age 3 years, with associated impairments affecting multiple areas of a person's life. Because no biologic marker exists for ASDs,…

In order to gauge youth perceptions of school violence, this study links two perceptual bias literatures: third-person perception and optimistic bias. The intersection of the two literatures may be especially beneficial in understanding how adolescents process and interpret public health messages and subsequently engage in risk behaviors or…

Violence among adolescent boys in impoverished urban areas is a major public health problem. We assessed violence-related attitudes and beliefs and exposures among 29 delinquent, 22 truant and 12 dependent of the state adolescent boys who attended an urban publicly funded extended day program. One purpose of this study was to assess violence…

Youth violence and delinquency are problems that continue to challenge many communities across the U.S. For over a decade, Pennsylvania has been a national leader in confronting youth problem behaviors in a progressive and proactive fashion, investing heavily in supporting local community prevention coalitions and the use of proven-effective…