Understanding Motivational Interviewing Effectiveness: Contributions From Rogers' Client-Centered Approach

The object of this article is to gain a better understanding of motivational interviewing (MI) effectiveness using the framework of Rogers' approach. Examining MI's common points and differences with Rogers' client-centered therapy can make it possible to identify some of MI's active ingredients and its underlying process of effectiveness, especially related to MI relational component. In return, MI, a strongly evidence-based approach, could provide empirical basis and support of effectiveness for Rogers' client-centred therapy. The review of literature on Rogers' therapy and MI shows strong links between the two approaches. MI applies most of Rogers' therapy attitudes and techniques such as empathy, acceptance, autonomy support, collaborative style, and confidence in the client's ability to change. The article further presents a review of research data related to the therapeutic effects of each of these attitudes. Finally, implications for clinical practice and further research are discussed. MI and Rogers' client-centered approach have much to offer each other. The strong process and outcome research tradition in MI could bring about evidence on Rogers' therapy effectiveness. Rogers' work provides a testable theoretical basis for the mechanisms of MI effectiveness. Further MI research should operationalize more than just empathy in the relational component.