In an article for The Conversation, he examined all the latest research - and found penetration can last from 33 seconds to 44 minutes when an average is taken of all the times each couple has sex. The average time across different couples was 5.4 minutes.
The Basics of Human Communication. The transactional model is a more realistic representation of human communication. It recognizes that both people involved in the interaction are communicators, and instead of the process illustrated as linear, it becomes circular in its function. Thus the process is an exchange.
Grunig termed two-way asymmetrical communication, whereby organizations listen to their stakeholders but use the information thus obtained to tailor their communication to allay the concerns of stakeholders, but do not make a corre-sponding alteration to their behavior. In a later reflection of his four-part model of public relations, J. E. Grunig