Purposeful sampling is widely used in qualitative research for the identification and selection
of information-rich cases related to the phenomenon of interest. Although there are several …

The wide variety of dissemination and implementation designs now being used to evaluate
and improve health systems and outcomes warrants review of the scope, features, and …

Preventing Mental, Emotional, and Behavioral Disorders Among Young People: Progress and
Possibilities Page 1 Committee on the Prevention of Mental Disorders and Substance Abuse …

Ethnic groups differ in rates of suicidal behaviors among youths, the context within which
suicidal behavior occurs (eg, different precipitants, vulnerability and protective factors, and …

Gatekeeper-training programs, designed to increase identification and referral of suicidal
individuals, are widespread but largely untested. A group-based randomized trial with 32 …

We examined the impact of the implementation of Applied Suicide Intervention Skills
Training (ASIST) across the National Suicide Prevention Lifeline's national network of crisis …

The Good Behavior Game (GBG), a universal classroom behavior management method,
was tested in first-and second-grade classrooms in Baltimore beginning in the 1985–1986 …

Evidence-based preventive interventions developed over the past two decades represent
great potential for enhancing public health and well-being. Research confirming the limited …

Suicide is the third leading cause of death among 10–24-year-olds and the target of school-
based prevention efforts. Gatekeeper training, a broadly disseminated prevention strategy …

Single‐case designs are a class of research methods for evaluating treatment effects by
measuring outcomes repeatedly over time while systematically introducing different …