It was concluded in a recently-published study that the percentage amount of a restaurant tip decreases as the number of persons at a table increases,because of diffusion of responsibility. The validity of this explanation is questioned. Theoretical and methodological alternatives are suggested.
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References
1.
Freeman, S., Walker, M.R., Borden, R., & Latané, B.Diffusion of responsibility and restaurant tipping: Cheaper by the bunch. Personality and Social Psychology Bulletin, 1975, 1, 584-587.
