Dr. Mark Lipsey, a leader of the field of evaluation, talks about evidence-based practice and its relation to evaluation. Evidenced-based social science theories are often helpful for understanding the etiology of desired or undesired outcomes and...
Melvin Mark, professor of psychology at The Pennsylvania State University, presents this conclusion to the symposium, “What Constitutes Credible Evidence in Evaluation and Applied Research.” Mark synthesizes presentations given during this...