About the Authors

Richard M. Grinnell, Jr. is a Professor of Social Work and holds the Clair and Clarice Platt Jones/Helen Frays Endowed Chair of Social Work Research in the School of Social Work at Western Michigan University. He received his Ph.D. in social work from the University of Wisconsin at Madison and for over the past 37 years has held academic and senior university administrative appointments in Australia, Canada, and the United States. In addition to having an international reputation thanks to the publication of well over 100 journal articles, book chapters, and conference presentations, Dr. Grinnell has published 36 books. His two latest books are Evaluation for Social Workers: Foundations of Evidence–Based Programs, 5th edition (Oxford University Press, 2010, with Peter Gabor and Yvonne Unrau) and Statistics for Social Workers, 8th ed. (Pearson, 2010, with Robert W. Weinbach).

Yvonne A. Yvonne is a Professor of Social Work at Western Michigan University. Since 2008, she has also directed the John Seita Scholars Program, which supports WMU students who have aged out of foster care. She has worked and studied in the area of foster care since 1989. Her interest in foster care began as a family preservation worker in a Canadian family service agency, where she worked with families with children at risk for out–of–home placement. She later worked as a treatment foster care coordinator and then went on to earn her doctorate in Social Work from the University of Utah. She has authored several books including Program Evaluation for Social Workers: Foundations of Evidence-Base Programs, 5th edition (with Richard M. Grinnell, Jr. and Peter Gabor, Oxford University Press, 2010) and has published numerous professional journal articles that have examined the services provided to vulnerable children and their families.

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