The adolescent drug problem places a huge toll on society and a heavy burden on the criminal justice system. Research regarding the benefits of therapeutic community (TC) treatment for adolescents has shown it to be effective. Despite the ability of therapeutic communities to lower drug relapse and reduce criminality, a great deal remains unknown…

This article uses event history analysis to examine certain determinants of dropout from a case management program that serves homeless adults with substance abuse problems. The examined determinants are perceptions of conventional treatment services: (a) client perceptions concerning the value of the conventional services that case managers help…