Changing change detection: Improving the reliability of measures of visual short-term memory capacity

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Changing change detection : Improving the reliability of measures of visual short-term memory capacity. / Kyllingsbæk, Søren; Bundesen, Claus.

In: Psychonomic Bulletin & Review, Vol. 16, No. 6, 2009, p. 1000-1010.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Kyllingsbæk, S & Bundesen, C 2009, 'Changing change detection: Improving the reliability of measures of visual short-term memory capacity', Psychonomic Bulletin & Review, vol. 16, no. 6, pp. 1000-1010. https://doi.org/doi:10.3758/PBR.16.6.1000

APA

Kyllingsbæk, S., & Bundesen, C. (2009). Changing change detection: Improving the reliability of measures of visual short-term memory capacity. Psychonomic Bulletin & Review, 16(6), 1000-1010. https://doi.org/doi:10.3758/PBR.16.6.1000

Vancouver

Kyllingsbæk S, Bundesen C. Changing change detection: Improving the reliability of measures of visual short-term memory capacity. Psychonomic Bulletin & Review. 2009;16(6):1000-1010. https://doi.org/doi:10.3758/PBR.16.6.1000

Author

Kyllingsbæk, Søren ; Bundesen, Claus. / Changing change detection : Improving the reliability of measures of visual short-term memory capacity. In: Psychonomic Bulletin & Review. 2009 ; Vol. 16, No. 6. pp. 1000-1010.

Bibtex

@article{990ee7b0e36011deba73000ea68e967b,
title = "Changing change detection: Improving the reliability of measures of visual short-term memory capacity",
abstract = "The change detection paradigm is a popular way of measuring visual short-term memory capacity. Using theparadigm, researchers have found evidence for a capacity of about four independent visual objects, confirmingclassic estimates that were based on the number of items that could be reported. Here, we determine thereliability of capacity measures found by change detection. We derive theoretical predictions of the variance ofthe capacity estimates and show how they depend on the number of items to be remembered and the guessingstrategy of the observer. We compare the theoretically derived variance to the variance estimated over repeatedblocks of trials with the same observer and find close correspondence between predicted and observed variances.Also, we propose a new version of the two-alternative choice change detection paradigm, in which thechoice is unforced. This new paradigm reduces the variance of the capacity estimate substantially.",
keywords = "Faculty of Social Sciences, Visuel korttidshukommelse, Visual Short-Term Memory",
author = "S{\o}ren Kyllingsb{\ae}k and Claus Bundesen",
year = "2009",
doi = "doi:10.3758/PBR.16.6.1000",
language = "English",
volume = "16",
pages = "1000--1010",
journal = "Psychonomic Bulletin and Review",
issn = "1069-9384",
publisher = "Springer",
number = "6",

}

RIS

TY - JOUR

T1 - Changing change detection

T2 - Improving the reliability of measures of visual short-term memory capacity

AU - Kyllingsbæk, Søren

AU - Bundesen, Claus

PY - 2009

Y1 - 2009

N2 - The change detection paradigm is a popular way of measuring visual short-term memory capacity. Using theparadigm, researchers have found evidence for a capacity of about four independent visual objects, confirmingclassic estimates that were based on the number of items that could be reported. Here, we determine thereliability of capacity measures found by change detection. We derive theoretical predictions of the variance ofthe capacity estimates and show how they depend on the number of items to be remembered and the guessingstrategy of the observer. We compare the theoretically derived variance to the variance estimated over repeatedblocks of trials with the same observer and find close correspondence between predicted and observed variances.Also, we propose a new version of the two-alternative choice change detection paradigm, in which thechoice is unforced. This new paradigm reduces the variance of the capacity estimate substantially.

AB - The change detection paradigm is a popular way of measuring visual short-term memory capacity. Using theparadigm, researchers have found evidence for a capacity of about four independent visual objects, confirmingclassic estimates that were based on the number of items that could be reported. Here, we determine thereliability of capacity measures found by change detection. We derive theoretical predictions of the variance ofthe capacity estimates and show how they depend on the number of items to be remembered and the guessingstrategy of the observer. We compare the theoretically derived variance to the variance estimated over repeatedblocks of trials with the same observer and find close correspondence between predicted and observed variances.Also, we propose a new version of the two-alternative choice change detection paradigm, in which thechoice is unforced. This new paradigm reduces the variance of the capacity estimate substantially.

KW - Faculty of Social Sciences

KW - Visuel korttidshukommelse

KW - Visual Short-Term Memory

U2 - doi:10.3758/PBR.16.6.1000

DO - doi:10.3758/PBR.16.6.1000

M3 - Journal article

VL - 16

SP - 1000

EP - 1010

JO - Psychonomic Bulletin and Review

JF - Psychonomic Bulletin and Review

SN - 1069-9384

IS - 6

ER -

ID: 16131899