Publikationen

2025[ to top ]

Bahnsen, Kilian L, Emma Dischinger, and Tobias Grundgeiger. “AR Cue Reliability for Interrupted Task Resumption Affects Users’ Resumption Strategies and Performance”. In CHI Conference on Human Factors in Computing Systems (CHI’25). New York, NY, USA: Association for Computing Machinery, 2025. https://doi.org/10.1145/3706598.3713685.
- [ Abstract ]
- [ BibTeX ]
- [ DOI ]
Reliable augmented reality (AR) cues can support the resumption of interrupted tasks. We investigated how sub-optimal AR cue reliability (100%, 86%, 64%, or no cue) affected users’ resumption performance and strategies. In a between-subjects experiment, 120 participants conducted a physical sorting task including interruptions, and we manipulated AR cue reliability (i.e., the AR cue was present or absent at the end of interruptions). In trials with AR cue, performance with 86% and 64% reliable AR cues was as well as with 100% reliable cues. In trials without AR cue, performance with sub-optimal AR cue reliability declined but was still better than with no cue. Cue reliability affected task resumption strategies of the 86% (slow but no increase in errors) and the 64% (fast but increase in errors) reliability groups differently. Our results extend reliability research to interruptions and the observed efficiency-thoroughness trade-offs in resumption strategies provide insight for design.

@inproceedings{bahnsen2025reliability, abstract = {Reliable augmented reality (AR) cues can support the resumption of interrupted tasks. We investigated how sub-optimal AR cue reliability (100%, 86%, 64%, or no cue) affected users’ resumption performance and strategies. In a between-subjects experiment, 120 participants conducted a physical sorting task including interruptions, and we manipulated AR cue reliability (i.e., the AR cue was present or absent at the end of interruptions). In trials with AR cue, performance with 86% and 64% reliable AR cues was as well as with 100% reliable cues. In trials without AR cue, performance with sub-optimal AR cue reliability declined but was still better than with no cue. Cue reliability affected task resumption strategies of the 86% (slow but no increase in errors) and the 64% (fast but increase in errors) reliability groups differently. Our results extend reliability research to interruptions and the observed efficiency-thoroughness trade-offs in resumption strategies provide insight for design.}, address = {New York, NY, USA}, author = {Bahnsen, Kilian L and Dischinger, Emma and Grundgeiger, Tobias}, booktitle = {CHI Conference on Human Factors in Computing Systems (CHI'25)}, keywords = {grundgeiger}, publisher = {Association for Computing Machinery}, title = {AR Cue Reliability for Interrupted Task Resumption Affects Users’ Resumption Strategies and Performance}, year = 2025 }

2024[ to top ]

Bahnsen, Kilian L, Lucas Tiemann, Lucas Plabst, and Tobias Grundgeiger. “Augmented Reality Cues Facilitate Task Resumption After Interruptions in Computer-Based and Physical Tasks”. In CHI Conference on Human Factors in Computing Systems (CHI’24), 1-16. New York, NY, USA: Association for Computing Machinery, 2024. https://doi.org/10.1145/3613904.3642666.
- [ Abstract ]
- [ BibTeX ]
- [ DOI ]
Many work domains include numerous interruptions, which can contribute to errors. We investigated the potential of augmented reality (AR) cues to facilitate primary task resumption after interruptions of varying lengths. Experiment 1 (N = 83) involved a computer-based primary task with a red AR arrow at the to-be-resumed task step which was placed via a gesture by the participants or automatically. Compared to no cue, both cues significantly reduced the resumption lag (i.e., the time between the end of the interruption and the resumption of the primary task) following long but not short interruptions. Experiment 2 (N = 38) involved a tangible sorting task, utilizing only the automatic cue. The AR cue facilitated task resumption compared to not cue after both short and long interruptions. We demonstrated the potential of AR cues in mitigating the negative effects of interruptions and make suggestions for integrating AR technologies for task resumption.

@inproceedings{bahnsen2024augmented, abstract = {Many work domains include numerous interruptions, which can contribute to errors. We investigated the potential of augmented reality (AR) cues to facilitate primary task resumption after interruptions of varying lengths. Experiment 1 (N = 83) involved a computer-based primary task with a red AR arrow at the to-be-resumed task step which was placed via a gesture by the participants or automatically. Compared to no cue, both cues significantly reduced the resumption lag (i.e., the time between the end of the interruption and the resumption of the primary task) following long but not short interruptions. Experiment 2 (N = 38) involved a tangible sorting task, utilizing only the automatic cue. The AR cue facilitated task resumption compared to not cue after both short and long interruptions. We demonstrated the potential of AR cues in mitigating the negative effects of interruptions and make suggestions for integrating AR technologies for task resumption.}, address = {New York, NY, USA}, author = {Bahnsen, Kilian L and Tiemann, Lucas and Plabst, Lucas and Grundgeiger, Tobias}, booktitle = {CHI Conference on Human Factors in Computing Systems (CHI'24)}, keywords = {grundgeiger}, pages = {1-16}, publisher = {Association for Computing Machinery}, title = {Augmented Reality Cues Facilitate Task Resumption after Interruptions in Computer-Based and Physical Tasks}, year = 2024 }

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