Crowd-sourcing social computing systems represent a new material for HCI designers. However, these systems are difficult to work with and to prototype, because they require a critical mass of participants to investigate social behavior. Service design is an emerging research area that focuses on how customers co-produce the services that they use, and thus it appears to be a great domain to apply this new material. To investigate this relationship, we developed Tiramisu, a transit information system where commuters share GPS traces and submit problem reports. Tiramisu processes incoming traces and generates real-time arrival time predictions for buses. We conducted a field trial with 28 participants. In this paper we report on the results and reflect on the use of field trials to evaluate crowd-sourcing prototypes and on how crowd sourcing can generate coproduction between citizens and public services. Copyright 2011 ACM.
CITATION STYLE
Zimmerman, J., Tomasic, A., Garrod, C., Yoo, D., Hiruncharoenvate, C., Aziz, R., … Steinfeld, A. (2011). Field trial of Tiramisu: Crowd-sourcing bus arrival times to spur co-design. In Conference on Human Factors in Computing Systems - Proceedings (pp. 1677–1686). Association for Computing Machinery. https://doi.org/10.1145/1978942.1979187
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