. . . . . "Studies show courts reduce recidivism, but DOJ could enhance future performance measure revision efforts" . . . . . "\"In response to the Fair Sentencing Act of 2010, this report assesses (1) data DOJ collected on the performance of federally funded adult drug courts and to what extent DOJ used these data in making grant-related decisions, and {2) what is known about the effectiveness of drug courts. GAO assessed performance data DOJ collected in fiscal year 2010 and reviewed evaluations of 32 drug court programs and 11 cost-benefit studies issued from February 2004 through March 2011\"--Why GAO did this study, p. [8]." . . . "Adult drug courts" . . . . . . . . . "Rules" . . . "Adult drug courts : studies show courts reduce recidivism, but DOJ could enhance future performance measure revision efforts" . . "GAO report, December 2011" . .