Institutions make new forms of acting possible: Signing executive orders, scoring goals, and officiating weddings are only possible because of the U.S. government, the rules of soccer, and the institution of marriage. Thus, when an individual occupies a particular social role (president, soccer player, and officiator), they acquire new ways of…

Focus group discussions with the youth living and working in the streets of Manila as well as interviews with key informants involved in intervention programs for these youth reveal several ways by which the youth may be protected from engaging in problem behaviors in and out of the streets. Findings reveal that conditions which promote the…

This system dynamics analysis draws on the literature to outline the factors commonly discussed as predictive of and, perhaps, causally related to problematic differences in academic achievement among students who vary in race, ethnicity, and social class. It first treats these as a wide-ranging set of exogenous variables, many of which interact…