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    Group Selection in the Evolution of Religion: Genetic Evolution or Cultural Evolution?
    Journal of Cognition and Culture 15 (3-4): 235-253. 2015.
    In the scientific literature on religious evolution, two competing theories appeal to group selection to explain the relationship between religious belief and altruism, or costly, prosocial behavior. Both theories agree that group selection plays an important role in cultural evolution, affecting psychological traits that individuals acquire through social learning. They disagree, however, about whether group selection has also played a role in genetic evolution, affecting traits that are inheri…Read more
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    The Goldberg Exaptation Model: Integrating Adaptation and By-Product Theories of Religion
    Review of Philosophy and Psychology 8 (3): 687-708. 2017.
    The literature on the evolution of religion has been divided by a fundamental debate between adaptation theories, which explain religious traits as products of selection for religion, and byproduct theories, which explain religious traits as products of selection for other, non-religious functions. Recently, however, a new position has emerged in this debate, as an influential new theory based on cultural selection claims to integrate adaptation theories with byproduct theories, yielding a singl…Read more