Impact of Work Interruptions on Task Performance
Summary
Work interruptions—ranging from unscheduled phone calls and email alerts to face-to-face queries and idle periods—pose a significant challenge to sustained task performance. These interruptions impose cognitive load, fragment attention, and trigger task-switching costs that collectively prolong completion times and increase error rates. The ensuing disruption to workflow can erode concentration, diminish the quality of outputs and induce emotional exhaustion. Research has broadened from examining interruption frequency to considering interruption characteristics—such as sender, medium and content—and the role of individual differences in resources like conscientiousness and coping self-efficacy. Practical applications extend to digital work design guidelines, adaptive notification systems and organisational policies that balance responsiveness with protected focus intervals. By understanding both the detrimental and, in some circumstances, the socially beneficial aspects of interruptions, organisations can foster healthier and more productive work environments.
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Impact of Work Interruptions on Task Performance publication trend
The graph below shows the total number of articles in impact of work interruptions on task performance across all publications each year (not limited to Nature Index journals).
Technical terms
Cognitive load: The total amount of mental effort required to perform a task, which increases when attention is divided by interruptions.
Task-switching cost: The time and performance decrement incurred when shifting attention from one task to another.
Interruption overload: A state in which the frequency and characteristics of interruptions exceed an individual’s capacity to process them without strain.
Cognitive exhaustion: A depletion of mental energy and concentration resulting from prolonged or intense cognitive demands, often exacerbated by interruptions.
References
- Reasons for interruptions at work: Illuminating the perspective of the interrupter. Journal of Organizational Behavior (2024).
- What really bothers us about work interruptions? Investigating the characteristics of work interruptions and their effects on office workers. Work & Stress (2024).
- Daily synchronous work interruptions: a social-exchange perspective. European Journal of Work and Organizational Psychology (2024).
- Examining conscientiousness as a key resource in resisting email interruptions: Implications for volatile resources and goal achievement. Journal of Occupational and Organizational Psychology (2017).
- Automatically adapting system pace towards user pace — Empirical studies. International Journal of Human-Computer Studies (2024).
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