TY - JOUR A1 - Hautmann, Christopher A1 - Hoijtink, Herbert A1 - Eichelberger, Ilka A1 - Görtz-Dorten, Anja A1 - Hanisch, Charlotte A1 - Plück, Julia A1 - Walter, Daniel A1 - Döpfner, Manfred T1 - Any indication for bias due to participation? Comparison of the effects of a parent management training rated by participating and non-participating parents T2 - Clinical psychology & psychotherapy Y1 - 2013 UR - https://opus4.kobv.de/opus4-hs-duesseldorf/frontdoor/index/index/docId/2727 VL - 20 IS - 5 SP - 384 EP - 393 PB - Wiley ER -