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.

Communication Competence in Intercultural Contexts. Speech Communication Association, New Orleans, LA, November 1988.

Communication Between Caregiver and Patients in University Health Care Environments.  American College Health Association. Washington, DC, May 1989.

Understanding and Managing the Bases of Organizational Influence: Institutional, Personal and Situational Power.  American Hospital Association, National Society for Patient Representation and Consumer Affairs, Phoenix, AZ, October 1989.

Intercultural Communication Competence in Systems Perspective (with Y. Y. Kim).  Speech Communication Association, San Francisco, CA, November 1989.

The Communication-Information Relationship: A System-Theoretic Perspective.  American Society for Information Science.  Washington, DC, November, 1989.  Abstracted in the Proceedings of the 1989 Annual Conference of the American Society for Information Science, 26, 1989

Psycho-Social Issues and Barriers in Communication: Special Reference to Caregiver-Patient Communication with International Students. Health Care of International Students, New Brunswick, NJ, January 1990.

Common Terms in Definitions of Communication and Information: The Ties That Bind  (with J. Schement).  International Communication Association, Dublin, June 1990.

System-Theoretic Approaches to Understanding the Communication-Information Relationship (with H. Mokros).  International Communication Association, Dublin, June 1990.