Publications by authors named "Matthew R Zefferman"

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Information architectures: a framework for understanding socio-technical systems.
Paul E Smaldino, Adam Russell, Matthew R Zefferman, Judith Donath, Jacob G Foster

Npj Complex· April 2025

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Little evidence that posttraumatic stress is associated with diurnal hormone dysregulation in Turkana pastoralists.
Matthew R Zefferman, Michael D Baumgarten, Benjamin C Trumble, Sarah Mathew

Evol Med Public Health· February 2025

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Historical myths define group boundaries: A mathematical sketch and evidence from Ukraine.
Matthew R Zefferman, Paul E Smaldino

Behav Brain Sci· January 2025

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Constraints on cooperation shape hierarchical versus distributed structure in human groups.
Matthew R Zefferman

Sci Rep· January 2023

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Combat stress in a small-scale society suggests divergent evolutionary roots for posttraumatic stress disorder symptoms.
Matthew R Zefferman, Sarah Mathew

Proc Natl Acad Sci U S A· April 2021

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Integrating models of cognition and culture will require a bit more math.
Matthew R Zefferman, Paul E Smaldino

Behav Brain Sci· May 2020

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An evolutionary theory of large-scale human warfare: Group-structured cultural selection.
Matthew R Zefferman, Sarah Mathew

Evol Anthropol· November 2015

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Solving the puzzle of human warfare requires an explanation of battle raids and cultural institutions.
Matthew Ryan Zefferman, Ryan Baldini, Sarah Mathew

Proc Natl Acad Sci U S A· May 2015

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Many important group-level traits are institutions.
Matthew R Zefferman, Peter J Richerson

Behav Brain Sci· June 2014

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