On the structure of measurement noise in eye-tracking

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On the structure of measurement noise in eye-tracking. / Coey, Charles A.; Wallot, Sebastian; Richardson, Michael J. et al.
In: Journal of Eye Movement Research, Vol. 5, No. 4, 04.09.2012, p. 1-10.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Coey CA, Wallot S, Richardson MJ, van Orden G. On the structure of measurement noise in eye-tracking. Journal of Eye Movement Research. 2012 Sept 4;5(4):1-10. doi: 10.16910/jemr.5.4.5

Bibtex

@article{85983db6708c4436b3c47701e30aba9e,
title = "On the structure of measurement noise in eye-tracking",
abstract = "Past research has discovered fractal structure in eye movement variability and interpreted this result as having theoretical ramifications. No research has, however, investigated how properties of the eye-tracking instrument might affect the structure of measurement variability. The current experiment employed fractal and multifractal methods to investigate whether an eye-tracker produced intrinsic random variation and how features of the data recording procedure affected the structure measurement variability. The results of this experiment revealed that the structure of variation from a fake eye was indeed random and uncorrelated in contrast to the fractal structure from a fixated, real human eye. Moreover, the results demonstrated that data-averaging generally changes the structure of variation, introducing spurious structure into eye movement variability.",
keywords = "Psychology, Data averaging, Eye-tracking, Fractal structure, Measurement noise",
author = "Coey, {Charles A.} and Sebastian Wallot and Richardson, {Michael J.} and {van Orden}, Guy",
year = "2012",
month = sep,
day = "4",
doi = "10.16910/jemr.5.4.5",
language = "English",
volume = "5",
pages = "1--10",
journal = "Journal of Eye Movement Research",
issn = "1995-8692",
publisher = "International Group for Eye Movement Research",
number = "4",

}

RIS

TY - JOUR

T1 - On the structure of measurement noise in eye-tracking

AU - Coey, Charles A.

AU - Wallot, Sebastian

AU - Richardson, Michael J.

AU - van Orden, Guy

PY - 2012/9/4

Y1 - 2012/9/4

N2 - Past research has discovered fractal structure in eye movement variability and interpreted this result as having theoretical ramifications. No research has, however, investigated how properties of the eye-tracking instrument might affect the structure of measurement variability. The current experiment employed fractal and multifractal methods to investigate whether an eye-tracker produced intrinsic random variation and how features of the data recording procedure affected the structure measurement variability. The results of this experiment revealed that the structure of variation from a fake eye was indeed random and uncorrelated in contrast to the fractal structure from a fixated, real human eye. Moreover, the results demonstrated that data-averaging generally changes the structure of variation, introducing spurious structure into eye movement variability.

AB - Past research has discovered fractal structure in eye movement variability and interpreted this result as having theoretical ramifications. No research has, however, investigated how properties of the eye-tracking instrument might affect the structure of measurement variability. The current experiment employed fractal and multifractal methods to investigate whether an eye-tracker produced intrinsic random variation and how features of the data recording procedure affected the structure measurement variability. The results of this experiment revealed that the structure of variation from a fake eye was indeed random and uncorrelated in contrast to the fractal structure from a fixated, real human eye. Moreover, the results demonstrated that data-averaging generally changes the structure of variation, introducing spurious structure into eye movement variability.

KW - Psychology

KW - Data averaging

KW - Eye-tracking

KW - Fractal structure

KW - Measurement noise

UR - http://www.scopus.com/inward/record.url?scp=84916639889&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/5fbce0fd-b1ae-3f3a-a448-39fcd1320ba3/

U2 - 10.16910/jemr.5.4.5

DO - 10.16910/jemr.5.4.5

M3 - Journal articles

AN - SCOPUS:84916639889

VL - 5

SP - 1

EP - 10

JO - Journal of Eye Movement Research

JF - Journal of Eye Movement Research

SN - 1995-8692

IS - 4

ER -

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