연구의 필요성유방암은Purpose: The purpose of this study was to examine the effect of a group coaching program (GCP) on depression, anxiety, and hope in women breast cancer patients undergoing chemotherapy. Methods: A total of 152 patients were enrolled and randomly assigned to an experimental group receiving the GCP (N=76) and an untreated control group (N=76). Data collection consisted of three measurements of depression, anxiety, and hope (pre, post, and 3weeks later). The intervention was a one-time GCP consisting of 5 subparts for 30~40 minutes for a group of 3~4 people, conducted by a single nurse. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.