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Positive and negative incentive contrasts lead to relative value perception in ants

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Wendt, Stephanie ; Strunk, Kim S. ; Heinze, Jürgen ; Roider, Andreas ; Czaczkes, Tomer J.
Date of publication of this fulltext: 04 Jul 2019 09:49


Humans usually assess things not according to their absolute value, but relative to reference points - a main tenant of Prospect Theory. For example, people rate a new salary relative to previous salaries and salaries of their peers, rather than absolute income. We demonstrate a similar effect in an insect: ants expecting to find low-quality food showed higher acceptance of medium-quality food ...


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