Perceptual judgments made better by indirect interactions: Evidence from a joint localization task

Pavel Valeryevich Voinov, Natalie Sebanz and Günther Knoblich

PLOS ONE, 2017, vol. 12, issue 11, 1-24

Abstract: Others’ perceptual judgments tend to have strong effects on our own, and can improve perceptual judgments when task partners engage in communication. The present study investigated whether individuals benefit from others’ perceptual judgments in indirect interactions, where outcomes of individual decisions can be observed in a shared environment. Participants located a target in a 2D projection of a 3D container either from two complementary viewpoints (Experiment 1), or from a single viewpoint (Experiment 2). Uncertainty about the target location was high on the front-back dimension and low on the left-right dimension. The results showed that pairs of participants benefitted from taking turns in providing judgments. When each member of the pair had access to one complementary perspective, the pair achieved the same level of accuracy as when the two individuals had access to both complimentary perspectives and better performance than when the two individuals had access to only one perspective. These findings demonstrate the important role of a shared environment for successful integration of perceptual information while highlighting limitations in assigning appropriate weights to others’ judgments.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0187428

DOI: 10.1371/journal.pone.0187428

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