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.
Lasswell's model of communication describes an act of communication by defining who said it, what was said, in what channel it was said, to whom it was said, and with what effect it was said. It is regarded by many communication and public relations scholars as one of the earliest and most influential communication models. The model was developed by American political scientist and communication theorist Harold Lasswell in 1948 while he was a professor at Yale Law School. In his 1948 article