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Estimating Average Body Size of Sets of Bodies

Research output: Contribution to conference - Without ISBN/ISSN Abstractpeer-review

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Estimating Average Body Size of Sets of Bodies. / To, Michelle; Brand, James Liam; Hampton, Georgia; Tovée, Martin.

2019. 3371 Abstract from 41st Annual Conference of the Cognitive Science Society, Montreal, Canada.

Research output: Contribution to conference - Without ISBN/ISSN Abstractpeer-review

Harvard

To, M, Brand, JL, Hampton, G & Tovée, M 2019, 'Estimating Average Body Size of Sets of Bodies', 41st Annual Conference of the Cognitive Science Society, Montreal, Canada, 24/07/19 - 27/07/19 pp. 3371. <https://cognitivesciencesociety.org/wp-content/uploads/2019/07/cogsci19_proceedings-8July2019-compressed.pdf>

APA

To, M., Brand, J. L., Hampton, G., & Tovée, M. (2019). Estimating Average Body Size of Sets of Bodies. 3371. Abstract from 41st Annual Conference of the Cognitive Science Society, Montreal, Canada. https://cognitivesciencesociety.org/wp-content/uploads/2019/07/cogsci19_proceedings-8July2019-compressed.pdf

Vancouver

To M, Brand JL, Hampton G, Tovée M. Estimating Average Body Size of Sets of Bodies. 2019. Abstract from 41st Annual Conference of the Cognitive Science Society, Montreal, Canada.

Author

To, Michelle ; Brand, James Liam ; Hampton, Georgia ; Tovée, Martin. / Estimating Average Body Size of Sets of Bodies. Abstract from 41st Annual Conference of the Cognitive Science Society, Montreal, Canada.1 p.

Bibtex

@conference{ecc421fe0ff545f2a637336a0e39a383,
title = "Estimating Average Body Size of Sets of Bodies",
abstract = "In two behavioral experiments, we demonstrated that human observers can extract average body size from a group of individuals. In Experiment 1, we asked 38 participants to estimate the average body size from a group of 5, 10 or 15 bodies that were presented in various angles of view (Profile, Three-Quarter, Frontal, and Mixed). Participants were able to extract the average body size, but they systematically overestimated thinner body groups, and underestimated larger body groups. Biases were generally reduced for smaller sets sizes and when bodies were shown in profile view, but the trend was reversed for sets with larger bodies. In Experiment 2, we tested 37 participants and showed that the accuracy of their estimates was modulated by presentation time: Accuracy was poorest when groups were presented for 1s, but significantly improved for 3s and 5s presentations. Implications of these finding are discussed.",
keywords = "Body size perception, Ensemble coding",
author = "Michelle To and Brand, {James Liam} and Georgia Hampton and Martin Tov{\'e}e",
year = "2019",
month = jul,
day = "27",
language = "English",
pages = "3371",
note = "41st Annual Conference of the Cognitive Science Society, COGSCI '19 ; Conference date: 24-07-2019 Through 27-07-2019",
url = "https://cognitivesciencesociety.org/cogsci-2019/",

}

RIS

TY - CONF

T1 - Estimating Average Body Size of Sets of Bodies

AU - To, Michelle

AU - Brand, James Liam

AU - Hampton, Georgia

AU - Tovée, Martin

N1 - Conference code: 41st

PY - 2019/7/27

Y1 - 2019/7/27

N2 - In two behavioral experiments, we demonstrated that human observers can extract average body size from a group of individuals. In Experiment 1, we asked 38 participants to estimate the average body size from a group of 5, 10 or 15 bodies that were presented in various angles of view (Profile, Three-Quarter, Frontal, and Mixed). Participants were able to extract the average body size, but they systematically overestimated thinner body groups, and underestimated larger body groups. Biases were generally reduced for smaller sets sizes and when bodies were shown in profile view, but the trend was reversed for sets with larger bodies. In Experiment 2, we tested 37 participants and showed that the accuracy of their estimates was modulated by presentation time: Accuracy was poorest when groups were presented for 1s, but significantly improved for 3s and 5s presentations. Implications of these finding are discussed.

AB - In two behavioral experiments, we demonstrated that human observers can extract average body size from a group of individuals. In Experiment 1, we asked 38 participants to estimate the average body size from a group of 5, 10 or 15 bodies that were presented in various angles of view (Profile, Three-Quarter, Frontal, and Mixed). Participants were able to extract the average body size, but they systematically overestimated thinner body groups, and underestimated larger body groups. Biases were generally reduced for smaller sets sizes and when bodies were shown in profile view, but the trend was reversed for sets with larger bodies. In Experiment 2, we tested 37 participants and showed that the accuracy of their estimates was modulated by presentation time: Accuracy was poorest when groups were presented for 1s, but significantly improved for 3s and 5s presentations. Implications of these finding are discussed.

KW - Body size perception

KW - Ensemble coding

M3 - Abstract

SP - 3371

T2 - 41st Annual Conference of the Cognitive Science Society

Y2 - 24 July 2019 through 27 July 2019

ER -