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,…

A 3-part comprehensive synthesis of the early intensive behavioral intervention (EIBI) for young children with autism based on the University of California at Los Angeles Young Autism Project method (Lovaas in Journal of Consulting and Clinical Psychology, 55, 3-9, 1987) is presented. The three components of the synthesis were: (a) descriptive…

Practical meta-analysis of correlation matrices generally ignores covariances (and hence correlations) between correlation estimates. The authors consider various methods for allowing for covariances, including generalized least squares, maximum marginal likelihood, and Bayesian approaches, illustrated using a 6-dimensional response in a series of…

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…