A comment on the paper by Joseph Henrich

Article Abstract:

Joseph Henrich's argument on the problem of group selection is presented. The reason for the argument is not simply to uphold the importance of social structure but also to assert that group selection arguments sustain additional units and levels of selection above the genetic level.

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Is a group better off with more altruists? Not necessarily

Article Abstract:

The usage of terms like non-selfish preferences and prosocial preferences, to denote cooperation and altruism by Joseph Henrich, are discussed. The fitness of the group, measured relative to competing groups, is examined to find a direct function of the frequency of altruists.

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Must there be human genes specific to prosocial behavior?

Article Abstract:

Joseph Henrich's essay on 'Cultural group selection...' is reconstructed and then each of its components are discussed. The five assertions made by Henrich on evolutionary models of cooperative behavior and the responses to these assertions are presented.

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