muflax comments on 2011 Less Wrong Census / Survey - Less Wrong

77 Post author: Yvain 01 November 2011 06:28PM

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Comment author: Gedusa 01 November 2011 12:57:59AM 13 points [-]

This is great! I hope there's a big response.

It seems likely you're going to get skewed answers for the IQ question. Mostly it's the really intelligent and the below average who get (professional) IQ tests - average people seem less likely to get them.

I predict high average IQ, but low response rate on the IQ question, which will give bad results. Can you tell us how many people respond to that question this time? (no. of responses isn't registered on the previous survey)

Comment author: [deleted] 01 November 2011 01:12:07AM 4 points [-]

I predict high average IQ, but low response rate on the IQ question, which will give bad results.

I predict with 70% certainty that we will get an IQ in the range of 140-145 again, though I think it will be a bit lower than last time. I'm very surprised if it's outside 130-150.

(Also took the survey. Would like more "other" options so I can ramble about my totally different opinions on many issues, but whatever.)

Comment author: Normal_Anomaly 01 November 2011 01:40:08AM *  2 points [-]

I predict with 70% certainty that we will get an IQ in the range of 140-145 again

Awesome. I said my IQ was 140 and 50% probability that I was higher than average, because I figured I'd be almost exactly average.

Comment author: pedanterrific 01 November 2011 01:49:21AM 0 points [-]

(I hope you didn't actually put "140ish", right?)

I'm actually surprised the lower bound on the previous survey was 120. I would have figured more of a U-shaped curve.

Comment author: Normal_Anomaly 01 November 2011 10:36:25AM 0 points [-]

I put 140. Fixed.

Comment author: RobertLumley 01 November 2011 01:13:27AM 0 points [-]

Oh wow, is that what the IQ average was last time? Can I update my probability that mine will be higher?

Comment author: [deleted] 01 November 2011 01:15:22AM 2 points [-]

Last survey in 2009:

IQs (warning: self-reported numbers for notoriously hard-to-measure statistic) ranged from 120 to 180. The mean was 145.88, median was 141.50, and SD was 14.02. Quartiles were <133, 133-141.5, 141.5-155, and >155.