RT Article T1 Professionals’ attitudes towards the importance of core principles for the mental health treatment of offenders in correctional facilities JF The prison journal VO 100 IS 5 SP 603 OP 616 A1 Noll, Thomas 1968- A2 Borchard, Bernd A2 Rosseger, Astrid A2 Endrass, Jérôme 1970- A2 Habermeyer, Elmar 1967- A2 Gonçalves, Leonel C. LA English YR 2020 UL https://krimdok.uni-tuebingen.de/Record/1800503954 AB The efficacy of offender therapy depends on professionals’ sharing common attitudes regarding basic principles of offender treatment. Research in this area is lacking. This study explored attitudes of 264 professionals involved in or collaborating with the largest correctional system in Switzerland. The very encouraging findings are that the core ideas and general principles have been assimilated due to the long-lasting collaboration between professionals and institutions, as well as the alignment of standardized methods of intervention. K1 Offender therapy K1 Attitudes K1 Beliefs K1 Behavior K1 Efficacy of treatment DO 10.1177/0032885520956371