by Geoffrey R. Marczyk (Director of the Psy.D./MBA and Psy.D./M.A. in Criminal Justice programs at Widener University, Philadelphia, PA); David DeMatteo (University of Pennsylvania, Philadelphia, PA); David Festinger (Treatment Research Institute of the
by Geoffrey R. Marczyk (Director of the Psy.D./MBA and Psy.D./M.A. in Criminal Justice programs at Widener University, Philadelphia, PA); David DeMatteo (University of Pennsylvania, Philadelphia, PA); David Festinger (Treatment Research Institute of the