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Find Something Morally Sickening? Take a Ginger Pill

Jessica Tracy: In my psychology lab at the University of British Columbia, we filled empty gel capsules with either ginger powder or sugar (for randomly assigned control participants); in a double-blind design, neither the participants nor the researchers running the study knew who received which pill. After swallowing their pills and waiting 40 minutes for them to metabolize, participants were asked to read scenarios describing a range of possible moral infractions, and tell us how morally wrong they believed each to be. Sure enough, as we reported in an article in the Journal of Personality and Social Psychology in 2019, we found the predicted difference. Those who ingested ginger decided that some of those violations, such as someone peeing in your swimming pool, were not so wrong after all. Blocking their nausea changed our participants’ moral beliefs. Importantly, these effects didn’t emerge for all the moral dilemmas we presented.

 

 

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