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“I can't lie to your face”: Minimal face-to-face interaction promotes honesty

Abstract

Scholars have noted that face-to-face (FTF) interaction promotes honesty because it provides opportunities for conversation in which parties exchange information and build rapport. However, it is unclear whether FTF interaction promotes honesty even in the absence of opportunities for back-and-forth conversation. We hypothesized a minimal interaction effect whereby FTF interaction promotes honesty by increasing potential deceivers' consideration of their own moral-interest. To test this account of how FTF interaction may promote honesty, we used a modified version of the deception game (Gneezy, 2005). We found that people were more honest when communicating FTF as opposed to through an intermediary. While FTF interaction tended to promote honesty irrespective of whether it occurred prior to or during the game, the effect was more pronounced when it occurred during the game. The effect of in-game communication medium was mediated by the activation of potential deceivers' moral-interest. We also ruled out alternate accounts involving interpersonal liking, expected counterpart trust, and retaliation fear as honesty-promoting mechanisms. Furthermore, because these effects were not moderated by whether participants had been visually identified during a pre-game interaction, we suggest that our effects are distinct from theoretical accounts involving anonymity. © 2014.

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