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Priority influences task selection decisions in multi-task management.

Christina M Lewis1, Robert S Gutzwiller1, Chelsea K Johnson1

  • 1Arizona State University, Mesa, AZ, USA.

Applied Ergonomics
|May 31, 2024
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Summary
This summary is machine-generated.

Task priority instructions help operators select important tasks during multitasking, especially when tasks conflict. This research explores how urgency and conflict influence priority neglect in multi-task management.

Keywords:
Attentional processesDecision makingDistractions and interruptionsDual taskTask switchingTime sharing

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Area of Science:

  • Human-Computer Interaction
  • Cognitive Psychology
  • Human Factors Engineering

Background:

  • Prior research indicates 'priority neglect' in multi-task management, where task priority is often overlooked.
  • Task properties like urgency and conflict may influence an operator's adherence to priority.

Purpose of the Study:

  • To investigate how instructed task prioritization affects task selection under conditions of urgency and conflict.
  • To determine if priority instructions can overcome 'priority neglect' in multitasking environments.

Main Methods:

  • Utilized the Multi-Attribute Task Battery (MATB) multitasking platform.
  • Tested auditory communications and manual tracking tasks as priority tasks.
  • Manipulated conditions of task urgency and conflict.

Main Results:

  • Instructed priority significantly improved the selection of target tasks when tasks were in conflict.
  • The effect of priority instructions was observed for both auditory and manual tasks.
  • Urgency may play a role in modulating the effectiveness of priority instructions.

Conclusions:

  • Task priority instructions can be effective in guiding operator task selection, particularly under conflicting conditions.
  • Findings suggest that priority instructions may help mitigate 'priority neglect' in multitasking.
  • Further research is needed to explore the generalizability of these findings in various multitasking scenarios.