How is maternal survival related to reproductive success?
X. T. Wang a1andRalph Hertwig a1 a1 Center for Adaptive Behavior and Cognition, Max Planck Institute for Human Development, 14195 Berlin, Germany
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Campbell's target article is a stimulating attempt to
extend our understanding of sex differences in risk-taking behaviors.
However, Campbell does not succeed in demonstrating that her
account adds explanatory power to those (e.g., Daly & Wilson
1994) previously proposed. In particular, little effort was made to
explore the causal links between survival (staying alive) and