Responds to the comments by D. McKay; B. D. Thombs, L. R. Jewett, and M. Bassel; M. D. Anestis, J. C. Anestis, and S. O. Lilienfeld; and W. W. Tryon and G. S. Tryon on the current author's original article, "The efficacy of psychodynamic psychotherapy." The academic psychology literature is filled with pronouncements about psychodynamic theory,…

In this article, the authors present a multilevel (or hierarchical linear) model that illustrates issues in the application of the model to data from meta-analytic studies. In doing so, several issues are discussed that typically arise in the course of a meta-analysis. These include the presence of non-zero between-study variability, how multiple…