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Now Check Your Input: Brief Task Lockouts Encourage Checking, Longer Lockouts Encourage Task Switching

Gould, SJJ; Cox, AL; Brumby, DP; Wickersham, A; (2016) Now Check Your Input: Brief Task Lockouts Encourage Checking, Longer Lockouts Encourage Task Switching. In: Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems. (pp. pp. 3311-3323). ACM (Association for Computing Machinery): New York, NY, USA. Green open access

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Abstract

Data-entry is a common activity that is usually performed accurately. When errors do occur though, people are poor at spotting them even if they are told to check their input. We considered whether making people pause for a brief moment before confirming their input would make them more likely to check it. We ran a lab experiment to test this idea. We found that task lockouts encouraged checking. Longer lockout durations made checking more likely. We ran a second experiment on a crowdsourcing platform to find out whether lockouts would still be effective in a less controlled setting. We discovered that longer lockouts induced workers to switch to other activities. This made the lockouts less effective. To be useful in practice, the duration of lockouts needs to be carefully calibrated. If lockouts are too brief they will not encourage checking. If they are too long they will induce switching.

Type: Proceedings paper
Title: Now Check Your Input: Brief Task Lockouts Encourage Checking, Longer Lockouts Encourage Task Switching
Event: 2016 CHI Conference on Human Factors in Computing Systems
Location: San Jose, CA, USA
Dates: 07 May 2016 - 12 May 2016
ISBN-13: 9781450333627
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/2858036.2858067
Publisher version: http://dx.doi.org/10.1145/2858036.2858067
Language: English
Additional information: Copyright is held by the owner/author(s). Publication rights licensed to ACM.
Keywords: Lockouts, Number Entry, Checking, Interruptions, Multitasking, Cowdsourcing, Naturalistic Experimentation
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > UCL Interaction Centre
URI: https://discovery.ucl.ac.uk/id/eprint/1474993
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