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Family Relationships: An Evolutionary Perspective

Catherine A. Salmon and Todd K. Shackelford

Abstract

Kinship ties — the close relationships found within the family — have been a central focus of evolutionary biological analyses of social behavior ever since biologist William Hamilton extended the concept of Darwinian fitness to include an individual's actions benefiting not only his own offspring, but also collateral kin. Evolutionary biologists consider organisms not only reproductive strategists, but also nepotistic strategists. If a person's genes are just as likely to be reproduced in her sister as in her daughter, then we should expect the evolution of sororal investment in the same way ... More

Keywords: kinship, evolutionary psychology, fitness, parental investment, evolved strategists, social interaction, information processing

Bibliographic Information

Print publication date: 2007 Print ISBN-13: 9780195320510
Published to Oxford Scholarship Online: September 2007 DOI:10.1093/acprof:oso/9780195320510.001.0001

Authors

Affiliations are at time of print publication.

Catherine A. Salmon, editor
University of Redlands
Author Webpage

Todd K. Shackelford, editor
Florida Atlantic University