Planar localisation analyses: a novel application of a centre of mass approach

EDMONDSON-JONES, A.M., IRVING, S., MOORE, D.R. and HALL, D.A., 2010. Planar localisation analyses: a novel application of a centre of mass approach. Hearing Research, 267 (12), pp. 4-11. ISSN 0378-5955

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Abstract

Sound localisation is one of the key roles for listening, and measuring localisation performance is a mainstay of the hearing research laboratory. Such measurements consider both accuracy and, for incorrect trials, the size of the error. In terms of error analysis, localisation studies have frequently used general univariate techniques in conjunction with either mean signed or unsigned error measurements. This approach can make inappropriate distributional assumptions and so more suitable alternatives based on directional statistics (e.g. based on von Mises distributed data) have also been used. However these are not readily computed using most commercially available, commonly used statistical software, and are generally only defined for simple experimental designs. We describe a novel use of a 'centre of mass' approach for describing localisation data jointly in terms of accuracy and size of error. This spatial method offers powerful, yet flexible, statistical analysis using standard multivariate analysis of variance (MANOVA).

Item Type: Journal article
Alternative Title: A novel application of a centre of mass approach to the statistical analysis of localisation performance [working title]
Publication Title: Hearing Research
Creators: Edmondson-Jones, A.M., Irving, S., Moore, D.R. and Hall, D.A.
Publisher: Elsevier B.V.
Date: 2010
Volume: 267
Number: 12
ISSN: 0378-5955
Identifiers:
NumberType
10.1016/j.heares.2010.04.002DOI
Rights: Copyright © 2010 Elsevier B.V. All rights reserved
Divisions: Schools > School of Social Sciences
Depositing User: EPrints Services
Date Added: 09 Oct 2015 10:03
Last Modified: 23 Aug 2016 09:07
URI: http://irep.ntu.ac.uk/id/eprint/6962

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