Crowdsourcing beats expert design for self-driving car interfaces
A new study shows that autonomous vehicle interfaces designed by crowds of ordinary people outperform expert-crafted alternatives at helping drivers understand what the car is doing. The finding challenges the assumption that specialized experts should lead safety-critical design—and suggests companies could scale interface development by tapping public input.
Originaltitel: A Collaborative Crowdsourcing Method for Designing External Interfaces for Autonomous Vehicles
Participatory design effectively engages stakeholders in technology development but is often constrained by small, resource-intensive activities. This study explores a scalable complementary method, enabling broad pattern identification in the design for interfaces in autonomous vehicles. We implemented a human-centered, iterative process that combined crowd creativity, structured participatory principles, and expert feedback. Across iterations, participant concepts evolved from simple cues to multimodal systems. Novel suggestions ranged from personalized features, like tracking lights, to inclusive elements like haptic feedback, progressively refining designs toward greater contextual awareness. To assess outcomes, we compared representative designs: a popular-design, reflecting the most frequently proposed ideas, and an innovative-design, merging participant innovations with expert input. Both were evaluated against a benchmark through video-based simulations. Results show that the popular-design outperformed the alternatives on both interpretability and user experience, with expert-validated innovations performing second best. These findings highlight the potential of scalable participatory methods for shaping emerging technologies.