RT Article T1 The effectiveness of social therapy in prison - a randomized experiment JF Crime & delinquency VO 46 IS 2 SP 214 OP 232 A1 Ortmann, RĂ¼diger LA English YR 2000 UL https://krimdok.uni-tuebingen.de/Record/152612839X K1 Sozialtherapie K1 Evaluation K1 Strafvollzug K1 Methodenfragen DO 10.1177/0011128700046002005