Speech and Rhetorical Studies Commons^™

Message Design Logics And Messaging In The Ebola Crisis, Gregory M. Bieger

Symposium of Student Scholars

O'Keefe's (1988) theory of message design logics explains why some messages are more

persuasive than others. The first, expressive design logic, is the most basic and focuses on

expressing individual thoughts and opinions (O’Keefe, 1988). This type of message design

merely states what the persuader wants. The second, conventional design logic, appeals to

typical reasons or emotional appeals that would be suitable for any audience. The third,

rhetorical message design logic, is the most complex and sophisticated message design focusing

on achieving an agreement between the sender and receiver in which the message provides

context. Unlike conventional design logic, rhetorical …