Monday, August 13, 2007

She's not that innocent

Yesterday, I came across that small piece on Clipmarks, which is challenging the myth that men are more promiscuous than women. From a mathematical standpoint, the argument goes, the average number of partners of men has to equal the average number of partners of women.

clipped from www.nytimes.com

The Myth, the Math, the Sex

EVERYONE knows men are promiscuous by nature. It’s part of the genetic strategy that evolved to help men spread their genes far and wide. The strategy is different for a woman, who has to go through so much just to have a baby and then nurture it. She is genetically programmed to want just one man who will stick with her and help raise their children.

But there is just one problem, mathematicians say. It is logically impossible for heterosexual men to have more partners on average than heterosexual women. Those survey results cannot be correct.

In fact, he added, the survey data themselves may be part of the problem. If asked, a man, believing that he should have a lot of partners, may feel compelled to exaggerate, and a woman, believing that she should have few partners, may minimize her past.

“In this way,” Dr. Gale said, “the false conclusions people draw from these surveys may have a sort of self-fulfilling prophecy.”

 blog it


I thought the argument interesting (and no, not only because of my gender), but there was something bugging me which stayed with me for the entire day; and after some thinking, I think there is a bit of a theoretical flaw in the argument.
To illustrate the flaw, consider a fictional planet, which is populated by one single man, and hundred women (feel free to reverse the proportion if the argument sounds sexist) and assume that, to resolve the obvious imbalance, the planet decided to adopt a harem-like social system. In that case, the lucky man would have a whooping average number of 100 partners, whereas the poor women wouldn't have much choice, and would total an average number of one measle partner.
Now granted, the flaw is a rather theoretical one. The US Census lists about 134 million men for 143 million women in the US in 2000, which is far from the situation described above; still, in that case, assuming an entirely heterosexual population, if every woman were to have exactly 1 partner, then men would have an average 1.06 partners - and the myth of the promiscuous man, while dented, would still hold...

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3 Comments:

Blogger Dr. Rooster said...

Mathias You French charlatan, I have also thought this issue over. As more of a biologist and a hedonist, I can outline an answer (but it based on some lying..) - Men have an even distribution of sexual activity, let's say 15/man with a range of 5. Now women have a much lower median, let's say 5/woman but there are a few mega-hubs with an enormous number of partners (>100). These women may be semi/fully-professional and so (probably) out of the sample (even though a man would normally consider THEM a sexual partner) and/or they are sparsely distributed (or shy..) and so not included in the sample. I'm off to increase my standing in the surveying community..

August 31, 2007 11:39 AM  
Blogger Mathias said...

This post has been removed by the author.

August 31, 2007 12:33 PM  
Blogger Mathias said...

Charlatan? Isn't there a saying about a kettle and a pot... Anyway, here is some more
critical fuel against the original article
.

August 31, 2007 12:38 PM  

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