This chapter addresses fundamental issues of change in psychotherapy: how to measure,
monitor, predict change, and provide feedback on treatment outcome. The chapter starts …

As the number of psychotherapies with demonstrated efficacy accumulates, an important
task is to identify principles and processes of change. This information can guide treatment …

Despite a recent surge of interest in the mechanisms and processes of change during
psychotherapy, investigations to date have yielded lamentably few interpretable results. The …

In the analysis of the impact of clinical interventions, the received wisdom has been that
posttreatment scores, with pretreatment scores equated by random assignment or …

Objective: We identify difficulties researchers encounter in psychotherapy process-outcome
investigations, and we describe several limitations of the popular “variance accounted for” …

The focus of this chapter is on psychotherapy research and a call for research on
mechanisms of therapeutic change. The central theses, statement of the problem, and …

There is considerable debate about which empirical research methods best advance clinical
outcomes in psychotherapy. The prevailing tendency has been to test treatment packages …

The central goal of psychotherapy research is to achieve an understanding of the change
mechanisms giving rise to clients' clinical improvement. Efforts towards this goal have been …

Principles of Change constitutes a new approach to evidence-based practice in
psychotherapy that goes beyond the traditional and unidirectional dissemination of …

Comments on the article by DeRubeis et al ((see record 2005-05431-009). What factors are
responsible for change in psychotherapy? We welcome those who question the primacy …