Abstract
The use of metaphor has been accepted as an effective persuasive device in many forms of communication since Aristotle first introduced the figure. Yet, the psychological process by which metaphor influences persuasion has received comparatively little attention. Based on a review of the literature regarding the impact of metaphor on attitudes, this study presents pretests and an experiment that test whether the locus of persuasion lies in the valence of B, as widely assumed, or in the valence of the metaphor ground, what A and B share. Findings indicate that global affect toward B does not transfer onto A, and that metaphorical persuasion is a distinct process meriting further investigation.
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