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Reasons to strike first.

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In intergroup conflicts, attackers are more successful than predicted by a leading model. This study examines small-scale societies and chimpanzee conflicts to understand this difference.

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Area of Science:

  • Evolutionary Anthropology
  • Conflict Studies
  • Behavioral Ecology

Background:

  • A prominent model by De Dreu and Gross predicts defenders have an advantage in conflicts.
  • This model is based on the dynamics of decentralized conflict.

Purpose of the Study:

  • To compare the predictions of De Dreu and Gross's conflict model with empirical evidence from small-scale societies and chimpanzee intergroup conflict.
  • To investigate potential reasons for discrepancies between the model and observed conflict outcomes.

Main Methods:

  • Analysis of ethnographic data from small-scale human societies.
  • Observation and analysis of intergroup conflict patterns in chimpanzees.

Main Results:

  • Attackers in small-scale societies and chimpanzee conflicts demonstrate greater success than predicted by the De Dreu and Gross model.
  • Empirical data suggests a divergence from the model's predictions regarding attacker disadvantage.

Conclusions:

  • The De Dreu and Gross conflict model may not fully capture the dynamics of conflict in all contexts, particularly in small-scale societies and among non-human primates.
  • Further research is needed to understand the factors contributing to higher attacker success rates in these specific conflict scenarios.