PeerJ Author 210 Points Contributions by role Preprint Author 210 Contributions by subject area Animal Behavior Anthropology Ecology Evolutionary Studies Psychiatry and Psychology Anne C Pisor PeerJ Author Summary Anthropology Evolutionary Studies Past or current institution affiliations Washington State University Websites Personal site PeerJ Contributions Preprints 2 December 4, 2019 - Version: 2 Preferences and constraints: The value of economic games for studying human behavior Anne C Pisor, Matthew M Gervais, Benjamin G Purzycki, Cody T Ross https://doi.org/10.7287/peerj.preprints.27355v2 April 7, 2019 - Version: 4 The evolution of intergroup tolerance in non-human primates and humans Anne C Pisor, Martin Surbeck https://doi.org/10.7287/peerj.preprints.3400v4