@article{HautmannHoijtinkEichelbergeretal.2013, author = {Hautmann, Christopher and Hoijtink, Herbert and Eichelberger, Ilka and G{\"o}rtz-Dorten, Anja and Hanisch, Charlotte and Pl{\"u}ck, Julia and Walter, Daniel and D{\"o}pfner, Manfred}, title = {Any indication for bias due to participation? Comparison of the effects of a parent management training rated by participating and non-participating parents}, series = {Clinical psychology \& psychotherapy}, volume = {20}, journal = {Clinical psychology \& psychotherapy}, number = {5}, publisher = {Wiley}, doi = {10.1002/cpp.1784}, pages = {384 -- 393}, year = {2013}, language = {en} }