A entity for H.P. Lovecraft's short story The Call of Cthulhu who also appears in several later stories, though CC is the only one that focuses on him. Cthulhu is a extraterrestrial being referred to as Great Old Ones and is generally associated with madness.
3) Persuasion tools will have different effects on audiences depending on the route employed. 4) Central Route is more persistent over time, more resistant to change, and more predictive of behavior. The model features two routes of persuasive influence: central and peripheral.
Carl Hovland et al. created the Hovland-Yale model which studied the relationship between persuasion and attitude change, the research focused on the communicator, the content of the message and the receiver of the message as they were considered the key features in effective persuasion.