Slashdot Mirror
Smarter Teens Have Less Sex
Tech.Luver writes "Gene Expression reports,
"Tyler Cowen quotes from a new study testing the relationship between grades and delayed sexual activity.
Last December I passed a paper along to Razib showing that high-school age adolescents with higher IQs and extremely low IQs were less likely to have had first intercourse than those with average to below average intelligence. (i.e. for males with IQs under 70, 63.3% were still virgins, for those with IQs between 70-90 only 50.2% were virgin, 58.6% were virgins with IQs between 90-110, and 70.3% with IQs over 110 were virgins)
In fact, a more detailed study from 2000 is devoted strictly to this topic, and finds the same thing: Smart Teens Don't Have Sex (or Kiss Much Either). ""
If groups with different IQs have different sex habits, and I learn about your sex habits, then by using Bayes' theorem I can also make inferences about your IQ. Obviously just statistical inferences ("he has less sex, therefore, he is more likely to be smart"), but still.
Sounds like someone's been thoroughly frightened by what passes for "sex education" in this country.
The odds of a condom breaking are minuscule. If you're living in the United States and you're a heterosexual man, the odds of your partner being infected with HIV are low. The rate of female-to-male HIV transmission for vaginal sex is actually relatively low as well. Put all three of those together, and it doesn't take a genius to figure out that sex with a condom is a lot safer than things you probably do every day, such as driving a car.
"It was a billion times better than cobol, but still really retarded." -AC
60% of the "free condoms" split at 3 PSI in a Consumer Reports test. 2% of Trojans did. The moral of this story- buy your condoms, don't take the free ones the college hands out, but you still are running a 2% chance of pregnancy regardless.
SJW: a person who perceives an injustice, and while correcting it, commits a greater injustice.
60% of the "free condoms" split at 3 PSI in a Consumer Reports test. 2% of Trojans did. The moral of this story- buy your condoms, don't take the free ones the college hands out, but you still are running a 2% chance of pregnancy regardless.
Ahh someone with no knowledge of biology.
Human fertility isn't 100% during all phased of the cycle. It's not 100%. You must have sex within a week of ovulation till 1-2 days after. So if you have sex, and you did so within a week of ovulation or up to 2 days after (sperm survives for 3 days on average with outliers of 8 days reported, the ova has 1 day to be fertilized afterovulation or it's flushed) and the condom must fail then the ova must implant as well which isn't 100% then you may get pregnant. So under ideal conditions for fertility using a condom means less then 1% of getting pregnant even with the condom breaking.
The averaged out odds for a single encounter is generous 3-5% with unprotected sex fatcoring in the window, the 1/3-1/2 odds then even with a the right conditions the sperm may not meet egg or the fertilized egg may nto implant. So you have 2%*3% in general. = 0.06% if you use a condom factoring the fail rate you gave for trojans and the averaged natural conception rate per encounter.
Add the pill into theequation or even morning after if it's legal where you are and it's pretty unlikely.
"There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy."
In all my years of having sex, I have never had a condom split. Somebody must be doing something wrong.
Now let's analyze this attitude. A full 1 million Americans are HIV+ out of a population of 302 million. So there is a 1 in 300 chance that that hot chick you picked up at the bar is HIV+, give or take.
The chance of an HIV+ woman infecting a man through one act of unprotected sex is between 0.1% and 1%. The 1% figure is for men with genital lacerations. Let's take a rate of 0.5%.
Condoms are known to block HIV transmission. The average breakage/slippage rate for condoms is a whopping 4.6% (hello, people! Learn to use the tools!).
Ok. So let's say you pick up a chick at the bar and go home and have protected sex. You are two orders of magnitude more likely to get killed by a car while walking to her house than you are to contract HIV from her.
Hope that helps put things into perspective.
They don't grade fathers, but if your daughter's a stripper, you fucked up. --Chris Rock