Sleeper

 “Sleeper effect” describes a phenomenon in which messages from sources with originally low credibility cause opinion change over time. The credibility of a source as perceived by receivers of its message constitutes a central issue in the theory of persuasion, in particular with regard to its impact on attitude change. A highly credible communicator (e.g.

Sleeper Effect Definition A sleeper effect in persuasion is a delayed increase in the impact of a persuasive message. In other words, a sleeper effect occurs when a communication shows no immediate persuasive effects, but, after some time, the recipient of the communication becomes more favorable toward the position advocated by the message. As a