Evolutionary Psychology has been criticized as simply generating "just-so" stories—plausible explanations that lack evidence. In this episode, Smith and Monroe question whether evolutionary psychology is useful for generating predictions rather than simply generating post-hoc stories. Chris—the evolutionary psychology expert in the group—defends his area and articulates the instances where evo psych can help inform people's predictions. We also get a bit sidetracked talking about sperm competition theory. Marginally Significant is hosted by: Andrew Smith @andrewrsmith Twila Wingrove @twilawingrove Andrew Monroe @monroeandrew Chris Holden @profcjholden You can contact Marginally Significant on Twitter (@marginallysig), through email ([email protected]), or on the web (marginallysignificant.fireside.fm/contact).