Group benefits in joint perceptual tasks-a review

Annals of the New York Academy of Sciences
Basil WahnPeter König

Abstract

In daily life, humans often perform perceptual tasks together to reach a shared goal. In these situations, individuals may collaborate (e.g., by distributing task demands) to perform the task better than when the task is performed alone (i.e., attain a group benefit). In this review, we identify the factors influencing if, and to what extent, a group benefit is attained and provide a framework of measures to assess group benefits in perceptual tasks. In particular, we integrate findings from two frequently investigated joint perceptual tasks: visuospatial tasks and decision-making tasks. For both task types, we find that an exchange of information between coactors is critical to improve joint performance. Yet, the type of exchanged information and how coactors collaborate differs between tasks. In visuospatial tasks, coactors exchange information about the performed actions to distribute task demands. In perceptual decision-making tasks, coactors exchange their confidence on their individual perceptual judgments to negotiate a joint decision. We argue that these differences can be explained by the task structure: coactors distribute task demands if a joint task allows for a spatial division and stimuli can be accurately process...Continue Reading

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Citations

Aug 17, 2019·The European Journal of Neuroscience·Kristina G BaumgartBasil Wahn
Jun 23, 2018·Frontiers in Psychology·Basil WahnPeter König
May 16, 2019·PloS One·Mark Roman MillerJeremy N Bailenson
Jan 29, 2020·Attention, Perception & Psychophysics·Basil WahnPeter König
May 22, 2020·Attention, Perception & Psychophysics·Basil Wahn, Alan Kingstone
Mar 13, 2019·Frontiers in Psychology·Artur CzeszumskiPeter König
Dec 9, 2020·Psychonomic Bulletin & Review·Crystal A SilverBert Timmermans
Nov 18, 2020·Acta Psychologica·Basil Wahn, Alan Kingstone
Mar 27, 2021·Acta Psychologica·Basil WahnSebastiaan Mathôt

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