UBC Undergraduate Research

Everybody Clean Up! : Group Cohesion and Social Loafing in Common Kitchens Chiu, Vincent; Johnstone, Gabriel; Ren, Simon; Zeng, Jiayun; Zhang, Shiruo


The aim of this study was to examine whether increased awareness of group cohesion in common kitchens would reduce social loafing behaviour, as defined as leaving dishes in the sink for others to wash. Over the course of 4 weeks, measurements were taken twice a day in 3 common kitchens in the CIRS building at UBC, regarding the numbers of dishes left in the sinks and whether those dishes were rinsed. Each kitchen was assigned to either a control condition, involved a generic poster above the sink, or the experimental condition with a poster specifically intended to increase awareness of group cohesion. At the start of the third week, conditions of each common kitchen were switched, providing a within-subject design. We found there were no statistically significant differences between social loafing behavior and awareness of group cohesion, on either the number of dishes left in the sink (p = 0.383, α = 0.05) or the cleanliness of those dishes (p = 0.362, α = 0.05). Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”

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