When Saying “Sorry” Isn’t Enough: Is Some Suicidal Behavior a Costly Signal of Apology?

@article{Syme2019WhenS,
  title={When Saying “Sorry” Isn’t Enough: Is Some Suicidal Behavior a Costly Signal of Apology?},
  author={Kristen L. Syme and Edward H. Hagen},
  journal={Human Nature},
  year={2019},
  volume={30},
  pages={117-141}
}
Lethal and nonlethal suicidal behaviors are major global public health problems. Much suicidal behavior (SB) occurs after the suicide victim committed a murder or other serious transgression. The present study tested a novel evolutionary model termed the Costly Apology Model (CAM) against the ethnographic record. The bargaining model (BRM) sees nonlethal suicidal behavior as an evolved costly signal of need in the wake of adversity. Relying on this same theoretical framework, the CAM posits… 
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