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Why reciprocal altruism is not a kind of group selection

Why reciprocal altruism is not a kind of group selection Reciprocal altruism was originally formulated in terms of individual selection and most theorists continue to view it in this way. However, this interpretation of reciprocal altruism has been challenged by Sober and Wilson (1998). They argue that reciprocal altruism (as well as all other forms of altruism) evolves by the process of group selection. In this paper, we argue that the original interpretation of reciprocal altruism is the correct one. We accomplish this by arguing that if fitness attaches to (at minimum) entire life cycles, then the kind of fitness exchanges needed to form the group-level in such situations is not available. Reciprocal altruism is thus a result of individual selection and when it evolves, it does so because it is individually advantageous. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biology & Philosophy Springer Journals

Why reciprocal altruism is not a kind of group selection

Biology & Philosophy , Volume 26 (3) – Mar 20, 2011

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References (34)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Philosophy; Philosophy of Biology; Evolutionary Biology
ISSN
0169-3867
eISSN
1572-8404
DOI
10.1007/s10539-011-9261-7
Publisher site
See Article on Publisher Site

Abstract

Reciprocal altruism was originally formulated in terms of individual selection and most theorists continue to view it in this way. However, this interpretation of reciprocal altruism has been challenged by Sober and Wilson (1998). They argue that reciprocal altruism (as well as all other forms of altruism) evolves by the process of group selection. In this paper, we argue that the original interpretation of reciprocal altruism is the correct one. We accomplish this by arguing that if fitness attaches to (at minimum) entire life cycles, then the kind of fitness exchanges needed to form the group-level in such situations is not available. Reciprocal altruism is thus a result of individual selection and when it evolves, it does so because it is individually advantageous.

Journal

Biology & PhilosophySpringer Journals

Published: Mar 20, 2011

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