“…al., 1996), more pro-substance use norms, and more frequent observation of drunk or "high" people on the street (Kadushin, Reber, Saxe, and Livert, 1998;Raudenbush and Sampson, 1999). The stress caused by life in crime and violence-ridden neighborhoods is another potent predictor of adolescent alcohol and other drug use (Schier, Botvin, and Miller, 1999;Dembo, Schmeidler, Burgos, and Taylor, 1985). Although past studies document neighborhood poverty, crime, and a high concentration of single-mother families as increasing adolescent risk for substance use and misuse, there are also several related reasons why neighborhood social disorganization may influence prevention program efficacy.…”