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Vaniver comments on The Trouble with Bright Girls [link] - Less Wrong Discussion

13 Post author: Dreaded_Anomaly 04 March 2011 04:17AM

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Comment author: Vaniver 04 March 2011 04:29:59PM 2 points [-]

At the 5th grade level, girls routinely outperform boys in every subject, including math and science. So there were no differences between these boys and girls in ability, nor in past history of success.

blink blink

So... are there differences? Or aren't there?

I agree with you that their explanation is a little too "I found something that might account for at least 5% of the real solution, and that's good enough. We're done here!"

Comment author: Alicorn 04 March 2011 04:55:54PM 1 point [-]

It's possible (although not the most natural reading) to interpret

girls routinely outperform boys in every subject, including math and science

as something along the lines of "boys do not consistently top the class in any subject; there is no subject in which it is at all unusual for a girl to be at the top of her class".

Comment author: Vaniver 04 March 2011 05:24:10PM 2 points [-]

That is a plausible interpretation.

My priors were that, for similar levels of maturity girls collectively do better on classwork and boys collectively do better on tests, that girls mature faster at young ages, and that the bulk of grades come from classwork in younger grades. So I would expect girls collectively to be routinely outperforming boys collectively at the 5th grade level. The statement that there are no differences between girls and boys thus struck me out of left field- the only explanation I could come up with was sex sensitivity (if girls are doing worse, there are differences, if boys are doing worse, there are no differences).

Thinking about it again, I came up with another interpretation: the "these" in front of "boys and girls" is referring to the bright ones. So bright girls routinely outperform average boys, just like bright boys outperform average boys. But that seems like a sloppy way to compare distribution tails.

Comment author: CronoDAS 04 March 2011 09:55:45PM 0 points [-]

So there were no differences between these boys and girls in ability, nor in past history of success.

The key word is these. As in, "These bright boys and bright girls both had roughly the same ability and history of success, having all performed in the top of their class in every subject."

Comment author: Vaniver 04 March 2011 10:10:02PM 1 point [-]

I stumbled across that interpretation here. It seems reasonable but sloppy.