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Multitasking and monotasking: the effects of mental workload on deferred task interruptions

Published: 10 April 2010 Publication History

Abstract

Recent research has found that forced interruptions at points of higher mental workload are more disruptive than at points of lower workload. This paper investigates a complementary idea: when users experience deferrable interruptions at points of higher workload, they may tend to defer processing of the interruption until times of lower workload. In an experiment, users performed a mail-browser primary task while being occasionally interrupted by a secondary chat task, evenly distributed between points of higher and lower workload. Analysis showed that 94% of the time, users switched to the interrupting task during periods of lower workload, versus only 6% during periods of higher workload. The results suggest that when interruptions can be deferred, users have a strong tendency to ''monotask'' until primary-task mental workload has been minimized.

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cover image ACM Conferences
CHI '10: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
April 2010
2690 pages
ISBN:9781605589299
DOI:10.1145/1753326
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 10 April 2010

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Author Tags

  1. attention
  2. chat
  3. instant messaging
  4. interruption
  5. multitasking
  6. problem state

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Cited By

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  • (2024)Not Right Now: Factors Affecting Interruption Decisions in a Healthcare ParadigmProceedings of the Human Factors and Ergonomics Society Annual Meeting10.1177/1071181324126299568:1(1685-1689)Online publication date: 12-Aug-2024
  • (2024)Augmented Reality Cues Facilitate Task Resumption after Interruptions in Computer-Based and Physical TasksProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642666(1-16)Online publication date: 11-May-2024
  • (2024)Supporting Task Switching with Reinforcement LearningProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642063(1-18)Online publication date: 11-May-2024
  • (2024)Comparing Synchronous and Asynchronous Task Delivery in Mixed Reality EnvironmentsIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2024.337203430:5(2776-2784)Online publication date: 4-Mar-2024
  • (2024)Transition in Different Critical Situations: How Non-Driving Related Tasks Affect Drivers’ Physiological Response and Takeover Behavior After Partial Automation Silent FailuresIEEE Transactions on Intelligent Transportation Systems10.1109/TITS.2024.343845025:11(16642-16652)Online publication date: Nov-2024
  • (2024)Are Social Media Notifications Distracting?Experimental Psychology10.1027/1618-3169/a000625Online publication date: 18-Nov-2024
  • (2023)User Experience of Multi-Mode and Multitasked Extended Reality on Different Mobile Interaction PlatformsElectronics10.3390/electronics1206145712:6(1457)Online publication date: 19-Mar-2023
  • (2023)User-Centered Investigation of Features for Attention Management Systems in an Online Vignette StudyProceedings of the 22nd International Conference on Mobile and Ubiquitous Multimedia10.1145/3626705.3627766(108-121)Online publication date: 3-Dec-2023
  • (2023)How Resource Demands of Nondriving-Related Tasks and Engagement Time Affect Drivers’ Physiological Response and Takeover Performance in Conditional Automated DrivingIEEE Transactions on Human-Machine Systems10.1109/THMS.2023.326809553:3(600-609)Online publication date: Jun-2023
  • (2023)The duality of ICT-mediated overload: Its nature and consequencesInformation & Management10.1016/j.im.2023.10386460:8(103864)Online publication date: Dec-2023
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