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Towards a Process Model of Sustained Attention Tests

Department of Psychology, Philipps-University of Marburg, Gutenbergstr. 18, 35032 Marburg, Germany
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Received: 6 December 2018 / Revised: 15 January 2019 / Accepted: 24 January 2019 / Published: 28 January 2019
Taking up new approaches and calls for experimental test validation, in the present study we propose and validate a process model of sustained attention tests. Four sub-components were postulated: the perception of an item, a simple mental operation to solve the item, a motor reaction, and the shift to the next item. In two studies, several cognitive tasks and modified versions of the d2-R test of sustained attention were applied in order to determine performance in the proposed sub-components. Their contribution for the prediction of performance in sustained attention tests and tests of higher cognitive abilities was assessed. The sub-components of the process model explained a large amount of variance in sustained attention tests, namely 55–74%. More specifically, perceptual and mental operation speed were the strongest predictors, while there was a trend towards a small influence of motor speed on test performance. The measures of item shifting showed low reliabilities and did not predict test scores. In terms of discriminant validity, results of Study 1 indicated that the postulated sub-components were insufficient to explain a large amount of variance in working memory span tasks, in Study 2 the same was demonstrated for reasoning tasks. Altogether, the present study is the first to disentangle sub-components in sustained attention tests and to determine their role for test performance. View Full-Text
Keywords: sustained attention; concentration; process model; experimental test validation; processing speed; reasoning; working memory capacity sustained attention; concentration; process model; experimental test validation; processing speed; reasoning; working memory capacity
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MDPI and ACS Style

Blotenberg, I.; Schmidt-Atzert, L. Towards a Process Model of Sustained Attention Tests. J. Intell. 2019, 7, 3. https://doi.org/10.3390/jintelligence7010003

AMA Style

Blotenberg I, Schmidt-Atzert L. Towards a Process Model of Sustained Attention Tests. Journal of Intelligence. 2019; 7(1):3. https://doi.org/10.3390/jintelligence7010003

Chicago/Turabian Style

Blotenberg, Iris, and Lothar Schmidt-Atzert. 2019. "Towards a Process Model of Sustained Attention Tests" Journal of Intelligence 7, no. 1: 3. https://doi.org/10.3390/jintelligence7010003

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