I’m not sure what’s more amusing, that people are studying
how penis size affects male attractiveness or that the authors of the study are all men.
Brian Mautz and Michael Jennions of Australian National University, Bob Wong
from Monash University and Richard Peters of La Trobe University addressed the
question of whether sexual selection could have played a role in the evolution
of male genitalia. See, this is a serious study.
The authors presented 105 heterosexual women with life-sized
computer-generated images of naked men. While there are obviously men who could
also weigh in on penis preference, those relationships are irrelevant from an
evolutionary standpoint. Enough said about that. The images varied in three
ways: height, body shape and flaccid penis size, each with seven possible
dimensions; thus, there were a total of 343 different images (there are
examples in the paper, which I’m not going to reproduce here). The women were each shown a random
subset of 53 of the images and asked to rank them for ‘attractiveness as sexual
partners’.
The most important trait of the three being tested was body
shape. Specifically, women liked to see the right shoulder to hip ratio in
their potential paramours. In fact, nearly 80% of the variation in
attractiveness could be accounted for by this one characteristic. Height and
penis size did add a bit to the equation, but only about 6% and 5% respectively.
Not surprisingly, taller women considered height to be more important than
shorter women did.
UPDATE 4/10/13: Greg Laden has some interesting points about why the whole premise of paleolithic women being able to evaluate and select mates based on penis size is flawed at his blog.
Mautz, B., Wong, B., Peters, R., & Jennions, M. (2013). Penis size interacts with body shape and height to influence male attractiveness Proceedings of the National Academy of Sciences DOI: 10.1073/pnas.1219361110.
Good to know! :P
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DeleteSo ... going to the gym is the best option for the gentlemen!
ReplyDeleteAbsolutely! The 80%/5% ratio doesn't surprise me a bit.
ReplyDelete5% still constitutes selection.
ReplyDeleteVery true, IF women had acted on that 5% preference. Greg Laden has some good reasons why they probably didn't.
ReplyDelete