Social psychology of gummy bear: Bystander effect.
Wikipedia about the Bystander effect: "The bystander effect, or bystander apathy, is a social psychological phenomenon in which individuals are less likely to offer help in an emergency situation when other people are present. The probability of help is inversely proportional to the number of bystanders."
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"It's a funny old world we live in"--The Joker
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"It's a funny old world we live in"--The Joker