Interpersonal communication is inexorable, irrevocable, complex and relative but ultimately necessary. Understanding this type of communication gives us a framework for successful and effective interaction with others in everyday situations. In this multivolume reference collection, subject specialists Mark L. Knapp and John A .Daly, explore the dimensions, dynamics and implications of interpersonal communication. Volume I covers the history and status of the field to various communicator characteristics that influence communication. This volume includes articles on personality and how personality, traits and states affect interpersonal behaviour. Volume II looks at the messages and processes of interpersonal communication. Articles covering various types of interpersonal messages - equivocal, defensive, incongruous to name a few - are followed by discussions on the various interpersonal process such as reciprocity, matching and interpersonal reflex. Volume III investigates the persuasive, relational and physiological outcomes of interpersonal communication. Finally, Volume IV focuses on the diverse contexts such as romantic relationships, work environments or doctor-patient interactions in which interpersonal communication takes place and the competences necessary to achieve successful communication.