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Lies About Sex

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This is a blog on why we believe and do what we do, why we pretend otherwise, how we might do better, and what our descendants might do, if they don't all die.
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Lies About Sex

Robin Hanson
Sep 30, 2007
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Lies About Sex

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Over at Certain Doubts, Gregory Wheeler reviews our lies about sex:

In survey after survey within country after country men report having more heterosexual partners over their lifetime than women do, and as this article and this clarification point out, what people say in these surveys cannot be a reflection of what they do.

If these surveys were representative, we would expect that the average number of heterosexual partners reported by men in each sample to approximate the average number reported by women. Instead, the numbers aren’t even close. In Britain men report having an average of 12.7 hetrosexual partners over a lifetime whereas women report an average of 6.5; in France men report an average of 11.6 heterosexual partners, women 4.4; and in Germany men say 15.5, women 10.1.  …

But the interesting feature of Brown’s study was that he also asked the respondents to rate the truthfulness of their estimates. He found that 5% of men and 4% of women indicated that they thought their estimates were inaccurate, and 16% of men and 11% of women indicated that they knowingly misrepresented their counts. Still, even when these "self-incriminators" were removed from the sample population, there was still a significant discrepancy between the counts for men and women.

Yes, many are aware they lie about sex.  But it seems many others are not aware.  That suggests that you, yes you, do not really know how many sexual partners you have had!

Added: The movie Secrets and Lies has an ambiguous case: does she lie or self-deceive?

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Lies About Sex

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Lies About Sex

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Overcoming Bias Commenter
May 15

But no one is counting what you do by yourself!

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Overcoming Bias Commenter
May 15

Bob Knaus, I don't think those numbers reflected academics, it is my understanding they are taken from the population of the country as a whole (correct me if I'm wrong). Those numbers don't seem low at all to me and I know some pretty promiscuous people. I would say if you've reached triple digits you are probably a very very very very very very very very far outlier.

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