The results are driven largely by the fact that the two poorest regions of the world, Asia and Africa, dominate the tails of the distribution of penis size.

事实上亚洲和非洲最穷的两个地区，在小弟尺寸分布图中尾部的主导地位，极大的导致了这个结果。

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Also, many researchers believe that those who are willing to participate in a study about penis size may have larger than average penises, which would also skew the results.

还有，许多研究者认为那些愿意参与研究小弟弟尺寸的人也许拥有比一般要大的小弟弟，这同样也会影响结果。

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Rather than rely on old sayings, fashion magazines, and the hundreds of emails in your inbox every day, let's look at what research tells us about whether penis size matters?

与其相信老话，时尚杂志和每天你邮箱里面上百份的邮件，还不如让我们来看看调查告诉我们到底小弟弟尺寸重不重要？

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The great penis debate has been unresolved ever since Masters and Johnson proclaimed, almost 50 years ago, that penis size does not matter to women.

FORBES: Facebook Pulls Down 'Penis Size Matters' Study Link

Therefore, the researchers wanted to determine how penis size interacts with the two other physical variables, height and shoulder-to-hip ratio, to affect female ratings of attractiveness.

FORBES: Facebook Pulls Down 'Penis Size Matters' Study Link

The fact that human penis size is relatively large, compared to other primates, led the researchers to speculate that female preference may have driven its evolution.

FORBES: Facebook Pulls Down 'Penis Size Matters' Study Link