This volume presents the results of the Flourishing Children Project. The study addressed gaps in the research on indicators of positive development of adolescents. Such indicators are essential for the balanced and scientifically sound study of adolescents. Yet measures of many aspects of flourishing are not available, and when they do exist, they are rarely measured in a developmentally appropriate manner for adolescents. In addition, they are often too long for program evaluations and surveys, have not been tested on diverse populations, nor carefully validated as predictors of positive...