This state-of-the-evidence review summarizes characteristics of intervention studies published from January 2011 through December 2015, in five psychiatric nursing journals. Of the 115 intervention studies, 23 tested interventions for mental health staff, while 92 focused on interventions to promote the well-being of clients. Analysis of published intervention studies revealed 92 intervention studies from 2011 through 2015, compared with 71 from 2006 through 2010, and 77 from 2000 through 2005. This systematic review identified a somewhat lower number of studies from outside the United States; a slightly greater focus on studies of mental health professionals compared with clients; and a continued trend for testing interventions capturing more than one dimension. Though substantial progress has been made through these years, room to grow remains. In this article, the authors discuss the background and significance of tracking the progress of intervention research disseminated within the specialty journals, present the study methods used, share their findings, describe the intervention domains and nature of the studies, discuss their findings, consider the implications of these studies, and conclude that continued track of psychiatric and mental health nursing intervention research is essential
