Dealing With Task Interruptions in Complex Dynamic Environments

Tremblay, Sébastien; Vachon, François; Lafond, Daniel; Kramer, Chelsea

doi:10.1177/0018720811424896

Cited by 27 publications

(34 citation statements)

References 31 publications

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“…In line with this, two recent studies have demonstrated that interruption recovery in multi-item dynamic display tasks can extend well beyond the first postinterruption action. Tremblay, Vachon, Lafond, and Kramer (2012) found that task-monitoring effectiveness was impaired on a firefighting control task for up to 30 s following a 20-s interruption. Hodgetts, Vachon, and Tremblay (2014) found that participants' decision-cycle times in an air combat control task were slower for up to 20 s following a 24-s interruption.…”

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confidence: 97%

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The Chronic Detrimental Impact of Interruptions in a Simulated Submarine Track Management Task

et al. 2015

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“…Participants in the Tremblay et al (2012) and Hodgetts et al (2014) studies likely needed to reinstate episodic primary task goals (i.e., "What was I about to do?" and "What was I doing?…”

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The Chronic Detrimental Impact of Interruptions in a Simulated Submarine Track Management Task

et al. 2015

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“…Microworlds are interactive computer-based tasks that allow the study of human behaviour -as individuals or teams (e.g., Brehmer & Dörner, 1993;Tremblay, Vachon, Lafond, & Kramer, 2012) -within a controlled scenario. They are cognitively demanding and engage a variety of cognitive functions such as situation assessment, decision making, monitoring, complex problem solving, causal learning and planning (Gonzalez, Vanyukov, & Martin, 2005), and are often characterized by added stressors such as uncertainty, temporal pressure, and limited resources Granlund & Johansson, 2004).…”

Section: 3microworldsmentioning

confidence: 99%

Decision support and vulnerability to interruption in a dynamic multitasking environment

Hodgetts

Tremblay

Vallières

et al. 2015

International Journal of Human-Computer Studies

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Using a microworld simulation of maritime decision making, we compared two decision support systems (DSS) in their impact upon recovery from interruption. The Temporal Overview Display (TOD) and Change History Table (CHT) -designed to support temporal awareness and change detection, respectively -have previously proven useful in improving situation awareness; however, evaluation of support tools for multitasking environments should not be limited to the specific aspects of the task that they were designed to augment. Using a combination of performance, self-report, and eye-tracking measures, we find that both DSS counter-intuitively have a negative effect on performance. Resumption lags are increased, elevated post-interruption decision-making times persist for longer, and defensive effectiveness is impaired relative to No-DSS. Eye-tracking measures indicate that in the baseline condition, participants tend to encode the visual display more broadly, where as those in the two DSS conditions may have experienced a degree of attentional tunnelling due to high workload. We suggest that for a support tool to be beneficial it should ease the burden on attentional resources so that these can be used for reconstructing a mental model of the post-interruption scene.

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“…Compensatory Communication Communication provides a backup for local uncertainties in the coordination of coupled tasks (Tremblay et al, 2012 Other work has examined chat content during collaborative editing. For example, Birnholtz et al (2013) used a categorization scheme driven by an interest in group sentiment.…”

Section: Research Questions and Related Quantitative Researchmentioning

confidence: 99%

How Do User Groups Cope with Delay in Real-Time Collaborative Note Taking

Ignat

Oster

Fox

et al. 2015

ECSCW 2015: Proceedings of the 14th European Conference on Computer Supported Cooperative Work, 19-23 September 2015, Oslo, Nor

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Abstract.A property of general interest of real-time collaborative editors is delay. Delays exist between the execution of one user's modification and the visibility of this modification to the other users. Such delays are in part fundamental to the network, as well as arising from the consistency maintenance algorithms and underlying architecture of collaborative editors. Existing quantitative research on collaborative document editing does not examine either concern for delay or the efficacy of compensatory strategies. We studied an artificial note taking task in French where we introduced simulated delay. We found out a general effect of delay on performance related to the ability to manage redundancy and errors across the document. We interpret this finding as a compromised ability to maintain awareness of team member activity, and a reversion to independent work. Measures of common ground in accompanying chat indicate that groups with less experienced team members attempt to compensate for the effect of delay. In contrast, more experienced groups do not adjust their communication in response to delay, and their performance remains sensitive to the delay manipulation.

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Dealing With Task Interruptions in Complex Dynamic Environments

Abstract: The present findings have practical implications for operators dealing with unexpected events such as task interruptions in C2 environments.

Cited by 27 publications

References 31 publications

The Chronic Detrimental Impact of Interruptions in a Simulated Submarine Track Management Task

The Chronic Detrimental Impact of Interruptions in a Simulated Submarine Track Management Task

Decision support and vulnerability to interruption in a dynamic multitasking environment

How Do User Groups Cope with Delay in Real-Time Collaborative Note Taking

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