Friday, June 20, 2008
Bad guys really do get the most girls:
But being just slightly evil could have an upside: a prolific sex life, says Peter Jonason at New Mexico State University in Las Cruces. "We have some evidence that the three traits are really the same thing and may represent a successful evolutionary strategy."
Frequency dependence. Control for environment and one might assume that personality morphs will hit an equilibrium in terms of relative proportion; but of course one assumes that any normal environment will be subject to exogenous shocks which jar the equilibrium on a regular basis. I wish popular science articles would bring up Hawk vs. Dove dynamics more often to introduce the general concept of variant strategies in populations. The relevance of this sort of result to recent posts should be pretty obvious, and is also one reason many people were always less than enthusiastic about Evolutionary Psychology's monomaniacal focus on human universals.
Labels: Behavior Genetics