Low-distraction Interaction
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Summary
This study investigates the impact of attending to mobile notifications on primary task performance during complex sensorimotor activities, specifically simulating driving scenarios. While previous research has focused on the dangers of actively responding to notifications, this work addresses the lesser-understood cost of merely attending to interruptions. The authors aim to determine how notification modality (audio vs. visual) and mediation strategies (delaying notifications until low-workload periods) affect both primary task performance and secondary task comprehension. The researchers conducted a 2x2 repeated-measures within-subjects experiment with 20 participants. The primary task was the ConTRe (Continuous Tracking and Reaction) simulator, which requires users to track a moving cylinder and react to traffic lights, simulating driving workload. The secondary task involved processing symbolic (math equations) and verbal (sentences) notifications presented either aurally via speakers or visually via a Google Glass heads-up display. In the mediated condition, notifications were deferred until periods of low task load; in the non-mediated condition, they were presented randomly regardless of workload. Performance metrics included steering deviation, reaction times for acceleration and braking, and error rates for both primary and secondary tasks. Results indicated that attending to notifications significantly degraded primary task performance, regardless of modality. Mediation significantly improved primary task outcomes by reducing steering deviation and improving acceleration and braking reaction times. Specifically, visual notifications caused greater steering deviation than audio ones when non-mediated, likely due to visual resource competition. However, mediation did not significantly affect audio notification comprehension, whereas it improved comprehension of visual notifications. Participants responded faster to visual math equations but made fewer errors when sentences were presented visually. Notably, while mediation objectively improved performance, participants did not perceive or preferentially choose the mediated condition, indicating a disconnect between objective safety benefits and user awareness. The findings suggest that even passive attention to notifications disrupts complex sensorimotor tasks. Mediation based on task load is an effective strategy for mitigating this disruption, particularly for visual notifications. However, because users do not naturally recognize the benefits of mediation, proactive systems must automatically manage notification timing to ensure safety. The study highlights that notification design must account for modality-specific cognitive loads and the asynchronous nature of interruptions to minimize risk in safety-critical environments like driving.
Key finding
Attending to notifications significantly degrades primary task performance regardless of modality, and while mediation improves visual notification comprehension, users do not perceive or prefer the mediated approach.
Methodology
lab_experiment
Sample size: 20
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (6 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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Information type
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- Applied Guidance: design guidelines
- Empirical Findings: behavioral performance data
- Theoretical Contribution: theory or model