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|Title:||Seeing the big picture: size perception is more context sensitive in the presence of others|
|Publisher:||Public Library of Science|
|Abstract:||This paper tests the hypothesis that social presence influences size perception by increasing context sensitivity. Consistent with Allport's prediction, we expected to find greater context sensitivity in participants who perform a visual task in the presence of other people (i.e., in co-action) than in participants who perform the task in isolation. Supporting this hypothesis, participants performing an Ebbinghaus illusion-based task in co-action showed greater size illusions than those performing the task in isolation. Specifically, participants in a social context had greater difficulty perceiving the correct size of a target circle and ignoring its surroundings. Analyses of delta plot functions suggest a mechanism of interference monitoring, since that when individuals take longer to respond, they are better able to ignore the surrounding circles. However, this type of monitoring interference was not moderated by social presence. We discuss how this lack of moderation might be the reason why the impact of social presence on context sensitivity is able to be detected in tasks such as the Ebbinghaus illusion.|
|Appears in Collections:||CIS-RI - Artigos em revistas científicas internacionais com arbitragem científica|
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|Garcia_Marques__Fernandes__Fonseca____Prada__2015_.pdf||Versão Editora||323.6 kB||Adobe PDF||View/Open|
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