Objectives: Establish metric properties of the Neighborhood Inventory for Environmental Typology (NIfETy). Method: A total of 919 residential block faces were assessed by paired raters using the NIfETy. Reliability was evaluated via interrater and internal consistency reliability; validity by comparing NIfETy data with youth self-reported…

This study employs growth mixture modeling techniques to evaluate the preventive effects of the Aban Aya Youth Project in reducing the rate of growth of violence among African American adolescent males (N = 552). Results suggest three distinct classes of participants: high risk (34%), medium risk (54%), and low risk (12%) based on both the…

Over the past quarter-century, evaluation researchers have recognized the importance of documenting implementation practices of programs as they are transferred from controlled to real-world settings. As programs become widely disseminated in the general population, there is a tendency for practitioners to alter programs in a manner more conducive…