Goldstein et al., 2008, Experiment 1: Placing signs in hotel bathrooms about how most guests reused their towels increased such behavior among guests
Goldstein, N. J., Cialdini, R. B., & Griskevicius, V. (2008). A room with a viewpoint: Using social norms to motivate environmental conservation in hotels. Journal of consumer Research, 35(3), 472-482.Download PDF
Signs in hotel bathrooms that conveyed that most guests reused their towels at least once increased the towel reuse rate, as compared to a standard environmental appeal, from 35% to 44%.