2007-09-16
09:28:11
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35 answers
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asked by
Anonymous
in
Health
➔ Men's Health
Shelly, actually there are many studies. My 5.5 figure comes from a urology journal, and an upcoming study by the Kinsey Institue. The problem with the figures that your citing is that they come from: 1) volunteers who know that they are going to be measured; which means you're going to get sample bias. And 2) by survey; which relies on self-measurement and is prone to mis-measurement or over-exaggeration.
2007-09-16
10:01:22 ·
update #1