Understanding Public Evaluation: Quantifying Experimenter Intervention
summary
Built a playful gesture-controlled display where a user’s silhouette gets a silly hat when performing a silhouette + teapot gesture, deployed under three experimenter roles: steward, overt observer, covert observer. Data sources are overhead video pedestrian tracking, interaction logs and observation notes; baseline captures just over 6,800 passers-by. Conversion rates range ~21–29%, steward presence statistically reduces conversion and compresses standing distance (people stand significantly closer), while covert observation yields higher, more ecologically valid engagement.
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chapters (10)
- 0:00Introduction
- 1:01Failure scenarios
- 1:20Public spaces
- 1:38Challenges
- 3:12Main Contributions
- 8:46Baseline Data
- 9:47Pedestrian Tracking
- 11:14Interaction Distance
- 12:18Conversion Rate
- 14:10Conclusion
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