This study shows that involvement of both parents in behavioral interventions leads to better results:
http://helpingfamilieschange.org/wp-content/uploads/2014/03/A2-Frank-Keown-Sanders-Dittman.pdf
This study shows that involvement of both parents in behavioral interventions leads to better results:
http://helpingfamilieschange.org/wp-content/uploads/2014/03/A2-Frank-Keown-Sanders-Dittman.pdf