Glenn SparksGlenn Sparks received his Ph.D. in communication arts from the University of Wisconsin-Madison. He is a professor in the Brian Lamb School of Communication at Purdue University in Indiana, where he has taught for 28 years. His research focuses on theeffects of media. Dr. Sparks is the author of Media Effects Research: A Basic Overview and a personal memoir, Rolling in Dough: Lessons I Learned in a Doughnut Shop; he is co-author of Refrigerator Rights: Our Crucial Need for Close Connection. Read More Read Less