Verification-guided modelling of salience and cognitive load

Well-designed interfaces use procedural and sensory cues to increase the cognitive salience of appropriate actions. However, empirical studies suggest that cognitive load can influence the strength of those cues. We formalise the relationship between salience and cognitive load revealed by empirical...

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Veröffentlicht in:Formal aspects of computing 2009-12, Vol.21 (6), p.541-569, Article s00165-008-0102-7
Hauptverfasser: Rukšėnas, Rimvydas, Back, Jonathan, Curzon, Paul, Blandford, Ann
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container_title Formal aspects of computing
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creator Rukšėnas, Rimvydas
Back, Jonathan
Curzon, Paul
Blandford, Ann
description Well-designed interfaces use procedural and sensory cues to increase the cognitive salience of appropriate actions. However, empirical studies suggest that cognitive load can influence the strength of those cues. We formalise the relationship between salience and cognitive load revealed by empirical data. We add these rules to our abstract cognitive architecture, based on higher-order logic and developed for the formal verification of usability properties. The interface of a fire engine dispatch task from the empirical studies is then formally modelled and verified. The outcomes of this verification and their comparison with the empirical data provide a way of assessing our salience and load rules. They also guide further iterative refinements of these rules. Furthermore, the juxtaposition of the outcomes of formal analysis and empirical studies suggests new experimental hypotheses, thus providing input to researchers in cognitive science.
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source Springer Nature - Complete Springer Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Computer Science
Math Applications in Computer Science
Original Article
Theory of Computation
title Verification-guided modelling of salience and cognitive load
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