2
2023
Remote Warfare and Small Western Countries

Cedric F Craninx , Matthew R Zefferman
Monterey, CA; Naval Postgraduate School

2023
DEFENSE ANALYSIS CAPSTONE REPORT

Michael J Hicks , John C Stoodley , Ryan R Gossen , Tristan Volpe

2022
Cultural evolution of human cooperation and conflict

Matthew R Zefferman
University of California, Davis

2013
Combat stress in a small-scale society suggests divergent evolutionary roots for posttraumatic stress disorder symptoms.

Matthew R. Zefferman , Sarah Mathew
Proceedings of the National Academy of Sciences of the United States of America 118 ( 15)

2021
An evolutionary theory of large‐scale human warfare: Group‐structured cultural selection

Matthew R. Zefferman , Sarah Mathew
Evolutionary Anthropology 24 ( 2) 50 -61

41
2015
Many important group-level traits are institutions.

Matthew R. Zefferman , Peter J. Richerson
Behavioral and Brain Sciences 37 ( 3) 280 -281

5
2014
An evolutionary theory of moral injury with insight from Turkana warriors

Matthew R. Zefferman , Sarah Mathew
Evolution and Human Behavior 41 ( 5) 341 -353

2
2020
Integrating models of cognition and culture will require a bit more math.

Matthew R. Zefferman , Paul E. Smaldino
Behavioral and Brain Sciences 43

2020
Cultural group selection plays an essential role in explaining human cooperation: A sketch of the evidence.

Peter Richerson , Ryan Baldini , Adrian V. Bell , Kathryn Demps
Behavioral and Brain Sciences 39 1 -71

592
2016