In Western dualistic culture, it is assumed that thoughts cannot be treated as material objects; however, language is replete with metaphorical analogies suggesting otherwise. In the research reported here, we examined whether objectifying thoughts can influence whether the thoughts are used in subsequent evaluations. In Experiment 1, participants wrote about what they either liked or disliked about their bodies. Then, the paper on which they wrote their thoughts was either ripped up and tossed in the trash or kept and checked for errors. When participants physically discarded a representation of their thoughts, they mentally discarded them as well, using them less in forming judgments than did participants who retained a representation of their thoughts. Experiment 2 replicated this finding and also showed that people relied on their thoughts more when they physically kept them in a safe place-putting their thoughts in their pockets-than when they discarded them. A final study revealed that these effects were stronger when the action was performed physically rather than merely imagined.
Three experiments examined whether perceiving thoughts as coming from internal versus external origins are more impactful on attitudes. Participants generated either positive or negative thoughts about different attitude objects, including different diets, and plastic surgery. Then, participants were induced to think that their thoughts came from the self or from an external source. In Experiment 1, participants induced to believe their thoughts originated from the self versus an external source relied on them more to form their attitudes. Experiment 2 demonstrated that when the external origin was associated with properties of validity, people relied on their thoughts more than when thoughts were perceived to come from an internal origin associated with low validity. Experiment 3 showed that the impact of thought origin on evaluations was mediated by greater liking for one's thoughts when they originated in the self.
This research introduces a new approach for separating people from their thoughts by anticipating selling them to others. Participants were asked to write down either positive or negative thoughts about fast food on different pieces of paper. Then, participants were randomly assigned to roleplay the part of either potential buyers or sellers for an advertising campaign. Finally, all participants indicated their self-esteem (as an additional predictor) and their attitudes towards fast food (as the dependent measure). For high self-esteem participants, anticipating selling thoughts to others reduced the impact of thoughts on attitudes, suggesting that distancing thoughts from a location with high validity (the self) reduced the perceived value of their thoughts. In contrast, for low self-esteem participants, anticipating selling thoughts increased their usage, suggesting that separating thoughts from a location with low validity (the self) increased the perceived value of those thoughts. These findings suggest that thoughts can be associated with high or low validity depending on individual differences in self-esteem.
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