John P. Hoffmann is Professor of Sociology at Brigham Young University. He earned a B.S. from James Madison University, an M.S. from American University, a Ph.D. from State University of New York at Albany, and an M.P.H. from Emory University. His research interests include criminology, applied statistics, and sociology of religion. Selected publications include “Extracurricular Activities, Athletic Participation, and Adolescent Alcohol Use” (Journal of Health and Social Behavior, 2006); “Social and Environmental Influences on Endangered Species: A Cross-National Study” (Sociological Perspectives, 2004); “A Contextual Analysis of Differential Association, Social Control, and Strain Theories of Delinquency” (Social Forces, 2003); and “Religion and Problem Gambling in the United States” (Review of Religious Research, 2000).