Still Bay and Howiesons Poort sites (South Africa) are consistent with the risk hypothesis [Social Sciences]

d'Errico et al.'s (1) conclusion that cultural differences between the Still Bay (SB) and the Howiesons Poort (HP) sites in South Africa (SA) are not accounted for by the risk hypothesis (2) is premature. The risk hypothesis is well-modeled by interaction between risk and mobility as a driver for artifact...

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