This chapter reviews the historical and current trends in the study of therapist effects. We
discuss statistical methods for investigating therapist effects, with a primary focus and …

Objective: Psychotherapists differ notably in the outcomes their patients achieve, and the
characteristics that may explain these differences have attracted increasing interest. We …

The alliance continues to be one of the most investigated variables related to success in
psychotherapy irrespective of theoretical orientation. We define and illustrate the alliance …

This chapter sets out the current status of the evidence-base for the efficacy and
effectiveness of psychological therapies. First, methods for eliciting and synthesizing …

Objective To review the therapist effects literature since Baldwin and Imel's (2013) review.
Method Systematic literature review of three databases (PsycINFO, PubMed and Web of …

A meta-analysis examining temporal changes (time trends) in the effects of cognitive
behavioral therapy (CBT) as a treatment for unipolar depression was conducted. A …

In this article, we examine the science and policy implications of the common factors
perspective (CF; Frank & Frank, 1993; Wampold, 2007). As the empirically supported …

In this closing article of the special issue, we present the conclusions and recommendations
of the interdivisional task force on evidence-based therapy relationships. The work was …

Untitled Page 1 Page 2 Research Design in Counseling THIRD EDITION P. Paul Heppner
University of Missouri, Columbia Bruce E. Wampold University of Wisconsin, Madison Dennis M …

This article introduces the journal issue devoted to the most recent iteration of evidence-
based psychotherapy relationships and frames it within the work of the Third Interdivisional …