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An experiment was designed to examine the role of emotion in persuasion. In this study, 140 undergraduates viewed eight public service announcements (PSAs) and then reported on their cognitive, emotional, and attitudinal responses to each. Some participants were instructed to attend to their feelings and use them in evaluating the PSAs (heuristic-enabled condition), whereas others were told to dampen their feelings and not let their emotions influence their judgments of the PSAs (heuristic-disabled condition). After controlling for cognition, the data showed a unique and separate effect for each emotion on perceived message effectiveness. However, the manipulations produced no observable effect on the magnitude of association between emotion and perceived effectiveness. Effects of both emotion and cognition on attitude toward the issue were mediated by perceived message effectiveness. A second study …