Attention and disruptive behavior disorders present considerable challenges for children and their parents. These challenges have led to the development of parenting programs; however, there is a paucity of literature that discusses the ethical dilemmas parent training researchers face. This article reviews ethical principles and professional standards relevant to parent training research and provides case material to illustrate the challenge of balancing ethical adherence and empirical rigor using three ethical issues that commonly arise in parent training research. In particular, this (...) article focuses on ethical issues surrounding confidentiality in a group setting, use of control groups, and limiting changes in medication/treatment status outside of the treatment protocol. (shrink)