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Wiggins is a professor in the School of Recreation, Health, and Tourism, George Mason University, Fairfax, VA. Weiss is the editor of Kinesiology Review; Weiss is also a professor with the School of Kinesiology and an adjunct professor with the Institute of Child Development, both at the University of Minnesota, Minneapolis, MN. Kretchmar is professor emeritus with the Department of Kinesiology, Pennsylvania State University, University Park, PA.