Much ado about p. What does a p-value mean when testing hypotheses with aggregated cross-cultural data in the field of evolution and human behavior?

@inproceedings{Pollet2013MuchAA,
  title={Much ado about p. What does a p-value mean when testing hypotheses with aggregated cross-cultural data in the field of evolution and human behavior?},
  author={Thomas V. Pollet},
  booktitle={Front. Psychol.},
  year={2013}
}
Several recent papers in the field of Evolution and Human Behavior rely on aggregate data when testing their hypothesis on adaptations in humans. This is perhaps most notably the case for studies on pathogen stress, (e.g., DeBruine et al., 2010; Thornhill and Fincher, 2011; Fincher and Thornhill, 2012). These studies predominantly rely on cross-cultural correlations and present p-values in support of their hypotheses. In this opinion article, I demonstrate why p-values can be questionable in… CONTINUE READING
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