Julian Meltzoff, PhD, earned his doctorate in psychology from the University of Pennsylvania. From 1979 to 1996 he was professor of psychology and director of research at the California School of Professional Psychology in San Diego. He taught graduate courses in the design and critique of research, conducted doctoral research seminars, and supervised the school’s dissertation process. Prior to 1979, Dr. Meltzoff served for an extended period as chief psychologist in Veterans Affairs facilities in Pennsylvania and New York. Dr. Meltzoff was engaged in doing research, writing about research, and consulting on research throughout his clinical, administrative, and academic career. He is the coauthor of The Day Treatment Center: Principles, Application, and Evaluation (1966) and Research in Psychotherapy (1970), as well as numerous journal articles and book chapters. He passed away in December 2015 at age 94. Harris Cooper, PhD, is the Hugo L. Blomquist Distinguished Professor of Psychology & Neuroscience at Duke University. He is the author of several books, including Research Synthesis and Meta-Analysis: A Step-by-Step Approach (2017); Ethical Choices in Research: Managing Data, Writing Reports, and Publishing Results in the Social Sciences (2016); and Reporting Research in Psychology: How to Meet Journal Article Reporting Standards (2011). He served as editor of the Psychological Bulletin and Archives of Scientific Psychology, and as department chair at Duke University and the University of Missouri–Columbia.