While there is general acknowledgement that communication is a process rather than a condition, there has been little systematic examination of dynamic processes within communication studies.This volume examines these processes within the communications field as a whole, from interpersonal to mass communication, and thereby brings to light many largely unexplored connections. The first part focuses on the methodological and theoretical significance of communication events or states which vary regularly, or in some distinct pattern, over time. The second section is a compilation of current theories and research based on the ideas of cyclic and dynamic patterns which occur in diverse communication settings.