Communication, Culture, and Cross-Cultural Communication: Propositions Toward a System-Theoretic Perspective—Preliminary Draft. Speech Communication Association, New York, NY, November 1980.

Public Perceptions of Digestive Health and Disease: Lack of Knowledge, Misinformation, and Myth. Scientific Meetings of the American Association for the Study of Liver Diseases, American Gastroenterological Association, American Society for Gastrointestinal Endoscopy, Gastroenterology Research Group, and Society for Surgery of the Alimentary Tract, New Orleans, May 1984

Instructional Simulation Helps Public Relations Students to Understand Roles in Organizational Communication  (with T. Hunt, L.  C. Lederman, and G. L. Kreps).  Association for Education in Journalism and Mass Communication, Memphis, TN, August 1985.

Having It Both Ways in Organizational Communication: Queen Christina's Chair  (with L. C. Lederman, T. Hunt, and G. L. Kreps).  International Communication Association, Honolulu, May 1985.

Dimensions of lntercultural Adaptation: Culture Shock, Personal Adjustment, and Communication Competence.  Eastern Communication Association, Providence, RI, May 1985

Changing Perspectives on the Communication Field: The View From Within and That From Without. Eastern Communication Association, Providence, RI, May 1985.

Patient Relations for Psychiatric Hospitals: An Overview  (with J. Bowman).  Second Annual Symposium of the Carrier Foundation and the National Association of Private Psychiatry Hospitals, Princeton, NJ, September 1985.

Health Information, Education and Prevention: A National Survey of Public Knowledge About Digestive Health and Disease.  (with G. C. Kreps, M. W. Baker, and S. W. Rosenthal).  International Communication Association, Honolulu, May 1985.

Caregiver-Patient Communication in University Health Care Environments.  Mid-Atlantic College Health Care Association, Lambertville, NJ, July 1988.

Physician-Patient Communication: Concepts and Skills.  Physicians' Seminar at Columbia FreeState Health System. Timonium, MD, September 1988.