We tested whether individuals can exert control over the expression of attitudinal ambivalence and if this control is exerted with self-presentational concerns. Using the self-presentation paradigm, participants reported more ambivalence about Genetically Modified Organisms (GMOs) in a standard and a self-enhancement (present yourself positively) conditions than in a self-depreciation (present yourself negatively) condition, on felt (Experiments 1a and 2a) and potential ambivalence, in its cognitive (Experiments 1b and 2b) and affective components (Experiments 1b and 2c). The role of ambivalent attitudes in conveying a positive social value was confirmed by the fact that the above effect was found on a controversial attitude object (GMOs), but the opposite appeared on a noncontroversial one (e.g., tooth brushing, a truism; Experiment 3). Such a reversal was obtained by directly manipulating the perception of controversy on GMOs (Experiment 4). Attitudinal ambivalence may thus serve an adaptive function, that is, achieving a positive social value.

The Social Value of Being Ambivalent: Self-Presentational Concerns in the Expression of Attitudinal Ambivalence / V., Pillaud; CAVAZZA, Nicoletta; F., Butera. - In: PERSONALITY AND SOCIAL PSYCHOLOGY BULLETTIN. - ISSN 0146-1672. - STAMPA. - 39(2013), pp. 1139-1151.

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