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An Interaction Model for Resource Implement Complexity Based on Risk and Number of Annual Moves

  • Author(s): Read, Dwight W
  • et al.
Abstract

Different hypotheses identifying factors affecting the complexity of implements used to obtain food resources by hunter-gatherer groups are assessed with stepwise regression. A regression model based on interaction between growing season as a proxy measure for risk and number of yearly moves fits data on the complexity and diversity of implements for twenty hunter-gatherer groups. The interaction model leads to a division of hunter-gatherer groups into two subgroups that correspond to collector versus forager strategies for procuring resources. Implications of the interaction model for the evolution of complex implements are discussed.

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