Reservation-dwelling American Indian adolescents are at exceedingly high risk for cannabis use. Prevention initiatives to delay the onset and escalation of use are needed. The risk and promotive factors approach to substance use prevention is a well-established framework for identifying the timing and targets for prevention initiatives. This study…

Data from cluster randomized trials do not always have a pure hierarchical structure. For instance, students are nested within schools that may be crossed by neighborhoods, and soldiers are nested within army units that may be crossed by mental health-care professionals. It is important that the random cross-classification is taken into account…

Dual-factor models of mental health are increasingly supported but little is known about longitudinal trends in dual-factor mental health. The current study used latent profile analysis (LPA) to empirically identify dual-factor mental health classes at each of Grades 9 through 12 and latent transition analysis (LTA) to examine stability of classes…

The purpose of this study was to examine the impact of the FRIENDS for Life program on students' and teachers' emotional outcomes in a school serving a high-poverty population. The focus of the intervention was to train/coach teachers with strategies to develop social and emotional skills for students. A single group, pre/post-test design was used…

This is a report of a secondary analysis of data from a published quasi-experimental feasibility study of the effects of implementing diagnoses from North American Nursing Diagnosis Association International, interventions from the Nursing Interventions Classification, and outcomes from the Nursing Outcomes Classification (referred to as NNN) on…

Objective: To investigate the effect of a nutrition education intervention and four hours of related teaching on the nutrition concepts of a sample of 9 year-old children. Design: Prepost test design. Children's food classification concepts were assessed before and after the intervention and nutrition teaching. Setting: Year 4 class of a suburban…

The goal of audience segmentation is to identify population subgroups that are homogeneous with respect to certain variables associated with a given outcome or behavior. When such groups are identified and understood, targeted intervention strategies can be developed to address their unique characteristics and needs. This study compares the…