Split-second trustworthiness detection from faces in an economic game

Bonnefon, Jean-François, De Neys, Wim and Hopfensitz, Astrid (2017) Split-second trustworthiness detection from faces in an economic game. Experimental Psychology, 64 (4). pp. 231-239.

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Official URL: http://tse-fr.eu/pub/31548

Abstract

Economic interactions often imply to gauge the trustworthiness of others. Recent studies showed that when making trust decisions in economic games, people have some accuracy in detecting trustworthiness from the facial features of unknown partners. Here we provide evidence that this face-based trustworthiness detection is a fast and intuitive process by testing its performance at split-second levels of exposure. Participants played a Trust game, in which they made decisions whether to trust another player based on their picture. In two studies, we manipulated the exposure time of the picture. We observed that trustworthiness detection remained better than chance for exposure times as short as 100 ms, although it disappeared with an exposure time of 33ms. We discuss implications for ongoing debates on the use of facial inferences for social and economic decisions.

Item Type: Article
Language: English
Date: 2017
Refereed: Yes
Uncontrolled Keywords: trustworthiness detection, split-second, trust game
JEL codes: C91 - Laboratory, Individual Behavior
D03 - Behavioral Economics; Underlying Principles
Subjects: B- ECONOMIE ET FINANCE
Divisions: TSE-R (Toulouse), TSM Research (Toulouse)
Site: UT1
Date Deposited: 16 Mar 2017 08:37
Last Modified: 10 Apr 2018 13:24
OAI ID: oai:tse-fr.eu:31548
URI: http://publications.ut-capitole.fr/id/eprint/23199

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