Does Size Matter? New Study Affirms Women Prefer Bigger Penises

By iScienceTimes Staff on April 8, 2013 5:53 PM EDT

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Researchers in Australia used data from a large study of Italian men to generate their male avatars. (Photo: Creative Commons)

The age-old question of whether or not the size of a man's penis matters has finally been answered - and it's an affirmative yes. Researchers in Australia report that when it comes to size, bigger really is better, and that when it comes to choosing a mate, women consider the size of a man's member to the same degree that they consider his height.  

"Before clothing, the non-retractable human penis would have been conspicuous to potential mates," researchers said in their study's abstract. "[Our study] has generated suggestions that human penis size partly evolved because of female choice."

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Published in the Proceedings of the National Academy of Sciences of the Unites States of America, the study took place in Australia. A team working at the Australian National University created 49 computer-generated images of nude men. Each one varied in height, shoulder-hip ratio and flaccid penis size. The images were shown to 105 heterosexual Australian women with an average age of 26. They were asked to assign each image a point value on a scale of 1-7 based on the attractiveness of the figures as sexual partners.

According to their research, there is a direct relationship between penis size and the attractiveness of the male, and larger penis size is equally as important in determining a male's desirability as is his height. Then again, even the shortest men in the study were considered more desirable if they had a larger member. But, taller, fitter figures were less likely to be rated down for a smaller penis size than guys who were shorter and more potato-shaped. A larger penis also more quickly boosted the desirability of the taller man. V-shaped torsos with narrow hips also scored higher.

From Science Mag:

For example, a model that was 185 cm tall (about 6 ft) with a 7-cm-long (about 3-in-long) penis got an average score for attractiveness. To get that same score, a model that was 170 cm (about 5'6") needed a penis of about 11 cm (about 4.5 in) in length. Boost the taller guy's penis by just about centimeter, and the shorter guy needs double that to keep up and get the same attractiveness score. After that, the shorter male pretty much can't continue to compete.

"Penis size does affect attractiveness," Brian Mautz, lead author of the study, told NBC.

Science Mag reports that past scientific research regarding penis size has returned mixed results, with some studies indicating that it's the length of the man's penis that matters most; other studies say it's the girth that counts. Still, others claim that size doesn't matter at all.

This study, however, aimed to eliminate some of these biases by considering other factors that contribute to male attractiveness, like shoulder-hip ratio and body shape.

There were some caveats to consider. For one, a larger penis was only considered more desirable to a certain point. Attractiveness skyrocket until flaccid penis length reached 7.6 cm, or about 3 inches, and then slowed down.

Read more:

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Should Olympic Sex-Testing Be Banned?

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