ArticleFrontiers in psychology2017
Effort in Multitasking: Local and Global Assessment of Effort.
Article in Frontiers in psychology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The benefit of choice on task performance: Reduced difficulty effects in free-choice versus forced-choice tasks.Memory & cognition · 2025Article
- The influence of reward and loss outcomes after free- and forced-tasks on voluntary task choice.Psychological research · 2024Article
- Scaling of the Parameters for Cost Balancing in Self-Organized Task Switching.Journal of cognition · 2021Article
- The influence of rewards on (sub-)optimal interleaving.PloS one · 2019Article
- Multitasking as a choice: a perspective.Psychological research · 2018Article
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Authors and funding
2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
When performing multiple tasks in succession, self-organization of task order might be superior compared to external-controlled task schedules, because self-organization allows optimizing processing modes and thus reduces switch costs, and it increases commitment to task goals. However, self-organization is an additional executive control process that is not required if task order is externally specified and as such it is considered as time-consuming and effortful. To compare self-organized and externally controlled task scheduling, we suggest assessing global subjective and objectives measures of effort in addition to local performance measures. In our new experimental approach, we combined characteristics of dual tasking settings and task switching settings and compared local and global measures of effort in a condition with free choice of task sequence and a condition with cued task sequence. In a multi-tasking environment, participants chose the task order while the task requirement of the not-yet-performed task remained the same. This task preview allowed participants to work on the previously non-chosen items in parallel and resulted in faster responses and fewer errors in task switch trials than in task repetition trials. The free-choice group profited more from this task preview than the cued group when considering local performance measures. Nevertheless, the free-choice group invested more effort than the cued group when considering global measures. Thus, self-organization in task scheduling seems to be effortful even in conditions in which it is beneficiary for task processing. In a second experiment, we reduced the possibility of task preview for the not-yet-performed tasks in order to hinder efficient self-organization. Here neither local nor global measures revealed substantial differences between the free-choice and a cued task sequence condition. Based on the results of both experiments, we suggest that global assessment of effort in addition to local performance measures might be a useful tool for multitasking research.
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