These results show how important it is to consider the moderating role of specific client characteristics, such as baseline psychological inflexibility, when exploring the outcome of clinical trials. As the number of completed treatment modules was not associated with psychological inflexibility, it can ...
Such interactions between participant and treatment characteristics in the context of a randomized controlled trial (RCT) can be investigated by moderation analyses [9]. The current study is a theoretically-driven investigation of baseline psychological inflexibility as a moderator of the outcome of ...