Predicting Altruistic Behaviour by the Benefactor-Beneficiary Relationship

The evolution of altruism—costly behaviour by an individual (the benefactor) that benefits another individual (the beneficiary)—has been theorized as a function of kinship, reciprocity potential, shared group membership, and costly signalling. These benefactor-beneficiary relationships have predicti...

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Bibliographic Details
Main Authors: Jack A. Palmer, Linda K. Palmer
Format: Article
Language:English
Published: SAGE Publishing 2022-07-01
Series:Evolutionary Psychology
Online Access:https://doi.org/10.1177/14747049221122920