The moral foundation of Purity sits at the center of much moral psychology research, yet the
role of religion in Purity's definition is ambiguous. Here, I raise three substantial, interrelated
concerns about the implied role of religiosity in the Purity foundation, highlighting empirical
findings demonstrating these concerns, and then argue in favor of a more restrictive
definition. Specifically, including religion as an inherent feature of Purity (1) risks making the
foundation overly inclusive, operationally intractable, and redundant with the Authority …