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Matthew R Zefferman

Biographic Data

ID627936
NAMEMatthew R Zefferman
GIVEN NAMESMatthew R
FAMILY NAMEZefferman
SIGNATUREZEFFERMAN M R
VERIFIEDNo
TOTAL WORKS4
TOTAL CITATIONS0
WORKS AS AUTHOR4
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2014
LATEST PUBLICATION YEAR2020
H-INDEX0
  • An evolutionary theory of moral injury with insight from Turkana warriors

    Open Access•Matthew R Zefferman, Matthew Zefferman et al.•ARTICLE•Evolution and Human Behavior•2020

    Clinicians in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) societies are rethinking whether Post-traumatic Stress Disorder (PTSD) is caused solely by exposure to life-threatening experiences, or also by moral injury—witnessing or participating in acts that violate moral beliefs. However, while there are evolutionary hypotheses explaining PTSD as a response to physical danger, the evolutionary roots of moral injury lack an expla…

  • An evolutionary theory of large‐scale human warfare

    Open Access•Matthew R Zefferman, Matthew Zefferman et al.•ARTICLE•Evolutionary Anthropology Issues…•2015

    When humans wage war, it is not unusual for battlefields to be strewn with dead warriors. These warriors typically were men in their reproductive prime who, had they not died in battle, might have gone on to father more children. Typically, they are also genetically unrelated to one another. We know of no other animal species in which reproductively capable, genetically unrelated individuals risk their lives in this manner. Because the immense pr…

  • When repentance and forgiveness are possible, direct reciprocity does not explain one-shot generosity, even under arbitrarily high levels of uncertainty

    Open Access•Matthew R Zefferman, Matthew Zefferman•ARTICLE•Evolution and Human Behavior•2014

  • Direct reciprocity under uncertainty does not explain one-shot cooperation, but demonstrates the benefits of a norm psychology

    Open Access•Matthew R Zefferman, Matthew Zefferman•ARTICLE•Evolution and Human Behavior•2014

No prominent works on this page.

  • When repentance and forgiveness are possible, direct reciprocity does not explain one-shot generosity, even under arbitrarily high levels of uncertainty

    Open Access•Matthew R Zefferman, Matthew Zefferman•ARTICLE•Evolution and Human Behavior•2014

  • Direct reciprocity under uncertainty does not explain one-shot cooperation, but demonstrates the benefits of a norm psychology

    Open Access•Matthew R Zefferman, Matthew Zefferman•ARTICLE•Evolution and Human Behavior•2014

  • An evolutionary theory of large‐scale human warfare

    Open Access•Matthew R Zefferman, Matthew Zefferman et al.•ARTICLE•Evolutionary Anthropology Issues…•2015

    When humans wage war, it is not unusual for battlefields to be strewn with dead warriors. These warriors typically were men in their reproductive prime who, had they not died in battle, might have gone on to father more children. Typically, they are also genetically unrelated to one another. We know of no other animal species in which reproductively capable, genetically unrelated individuals risk their lives in this manner. Because the immense pr…

  • An evolutionary theory of moral injury with insight from Turkana warriors

    Open Access•Matthew R Zefferman, Matthew Zefferman et al.•ARTICLE•Evolution and Human Behavior•2020

    Clinicians in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) societies are rethinking whether Post-traumatic Stress Disorder (PTSD) is caused solely by exposure to life-threatening experiences, or also by moral injury—witnessing or participating in acts that violate moral beliefs. However, while there are evolutionary hypotheses explaining PTSD as a response to physical danger, the evolutionary roots of moral injury lack an expla…

Psychology (4 works) · Social Psychology (3 works) · Artificial Intelligence (2 works) · Battle (2 works) · Computer Science (2 works) · Epistemology (2 works) · Evolutionary Game Theory and Cooperation (2 works) · Evolutionary Psychology and Human Behavior (2 works) · Experimental Behavioral Economics Studies (2 works) · History (2 works)

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