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Human sperm competition in postindustrial ecologies: sperm competition cues predict adult DVD sales

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  • William F. McKibbin
  • Michael N. Pham
  • Todd K. Shackelford

Abstract

Sperm competition theory has been used to generate the hypothesis that men prefer to view pornographic images suggesting the presence of a rival male, over images which do not. The current research uses a new methodology to address conflicting evidence about men’s preferences for pornographic images. Raters coded a random sample of 166 pornographic DVDs (from a population of 49 493), which were then analyzed using multiple regression. Consistent with the hypothesis generated from sperm competition theory, the number of images on a DVD cover and screenshots depicting 2 or more men interacting with 1 woman (suggesting the presence of sperm competition) predicts DVD sales rank, whereas the number of images on a DVD cover and screenshots depicting 2 or more women interacting with 1 man (suggesting the absence of sperm competition) does not predict DVD sales rank. Discussion addresses limitations and future directions, including using penile plethysmography to avoid relying on correlational analyses.

Suggested Citation

  • William F. McKibbin & Michael N. Pham & Todd K. Shackelford, 2013. "Human sperm competition in postindustrial ecologies: sperm competition cues predict adult DVD sales," Behavioral Ecology, International Society for Behavioral Ecology, vol. 24(4), pages 819-823.
    • Handle: RePEc:oup:beheco:v:24:y:2013:i:4:p:819-823.
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    File URL: http://hdl.handle.net/10.1093/beheco/art031
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    Cited by:

    1. Saad, Gad, 2020. "The marketing of evolutionary psychology," Journal of Business Research, Elsevier, vol. 120(C), pages 485-491.

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