Utilizing a person-centered approach, the present study explored two-hundred and sixty-five adolescents' reports of self-disclosure, help, conflict, and conflict resolution with a close friend to investigate variability in profiles of friendship quality, whether gender and gender homophily and ethnicity homophily of friends are associated with…

Substance use is a frequently cited health risk behavior in the youth gang literature, yet little is known about how substance use patterns vary among gang-involved youth or the social ecological factors that contribute to potential variation. Developing relevant and effective service approaches will require an understanding of this variation and…

Introduction: The Maui Hawaii Educational consortium (the Maui School District and Maui Community College) sought scientifically based evidence for the effectiveness of the Cognitive Tutor (CT) Algebra I Curriculum to inform adoption decisions. Decision makers were particularly interested in whether the use of the CT program affects achievement of…