The Mass Communication and Society Division of the proceedings contains the following 11 papers: "Evaluating the Credibility of Online Information: A Test of Source and Advertising Influence" (Jennifer Greer, Jane Baughman, Patricia Cunningham-Wong, Ethnie Groves, Catherine McCarthy, Megan Myers and Cindy Petterson); "Disruptive and Cooperative Interruptions in Prime Time Television Fiction: The Role of Gender, Status, and Topic" (Xiaoquan Zhao and Walter Gantz); "Privacy in a State of War: The Effect of the Events of September 11 on Media Privacy Framing" (J. Richard Stevens); "The Enactment of Journalists' Role Conceptions" (Tim P. Vos); "The Credibility of Newspapers, Television News, and Online News" (Rasha A. Abdulla, Bruce Garrison, Michael Salwen, Paul Driscoll, and Denise Casey); "An Ideological Battle between Journalistic Values and Corporate Interests on the Information Superhighway: NBC News' Web Coverage of a GE-related Incident" (Tien-tsung Lee and Kuang-Kuo Chang); "The Impact of Web Use on the Public Perception of Physicians" (Wilson Lowrey and William B. Anderson); "Communicating In The Aftermath of A Crisis: Lessons Learned From 9/11" (Terence (Terry) Flynn); "The Influence of News Coverage On Gulf War Syndrome" (Robert L. Stevenson); "Alcohol Advertising Exposure and Perceptions: Links with Alcohol Expectancies and Drinking or Intention to Drink in Teens and Young Adults" (Kenneth Fleming, Esther Thorson and Charles Atkin); and "Peer and Social Influence on Opinion Expression: Combining the Theories of Planned Behavior and the Spiral of Silence" (Kurt Neuwirth, Edward Frederick and Joyce M. Wolburg). (RS)