The human message in politics: the impact of emotional slogans on subtle conformity.

The present work directly tests the persuasive potential of emotions in polit- ical slogans. Previous research that distinguished emotions on the human dimension found that individuals conform differently to the opinion of members of the in-group or the out-group when these targets expressed themselves in terms of uniquely human emotions (Vaes, Paladino, Castelli, Leyens, & Giovanazzi, 2003). In line with these findings, the present experiment tested the hypothesis that political slogans that express a uniquely human emotion and that are associated with the campaign of a political candidate who has the same political affiliation as participants (i.e., in-group) will induce more confor- mity reactions than a candidate of the opposing coalition (i.e., out-group) who presents similar kinds of slogans. Results confirmed this hypothesis on a subtle conformity mea- sure and are discussed as a consequence of an infrahumanization process. Finally, possible applications of the presented findings and new avenues for future research are proposed.