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Choosing to interleave: Human error and information access cost

Back, J; Cox, AL; Brumby, DP; (2012) Choosing to interleave: Human error and information access cost. Presented at: UNSPECIFIED.

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Abstract

People are prone to making more errors when multitasking. Thus in safety-critical environments, it is often considered safer to perform tasks sequentially. Here we explore how the cost of accessing information affects the way people choose to interleave. An empirical study based on a medical scenario was conducted. Participants had to program infusion pump devices using information from a prescription form. The physical and mental effort involved in accessing information was manipulated. This was achieved by varying the physical distance between the prescription form and the devices. We demonstrate that by increasing information access cost, individuals are less likely to omit a required task step. This is because they adopt a more memory-intensive strategy, which encourages interleaving at natural boundaries, i.e., after completing the programming of one of the pumps. Interleaving during programming can result in task steps being forgotten. Copyright 2012 ACM.

Type: Conference item (UNSPECIFIED)
Title: Choosing to interleave: Human error and information access cost
ISBN-13: 9781450310154
DOI: 10.1145/2207676.2208289
Keywords: Human error, Information access cost, Multitasking
UCL classification: UCL > School of Life and Medical Sciences
UCL > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > UCL Interaction Centre
URI: http://discovery.ucl.ac.uk/id/eprint/1364589
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