Steve Sailer says, "It's unfortunate that social scientists don't seem to have a reliable quick test of energy the way they have tests of intelligence, since it's obvious that energy differs widely among individuals and is important in influencing life outcomes."
The GSS has asked participants the following: "How much of the time during the past 4 weeks did you have a lot of energy?" Turns out, the answers are roughly normally distributed (sample size = 1,409):
Percent having a lot of energy over the past month
All the time 10.4
Most of the time 34.5
A good bit of time 22.6
Some of the time 18.4
A little biit of the time 9.5
None of the time 4.6
And here are the correlations with several variables:
Occupational prestige .05
As expected, energy decreases with age, and is associated with more education and income. (The correlation with occupational prestige is trivial).
These findings provide evidence that this single item is not an invalid measure of energy. The correlations are small, but I would expect just that, given that we are measuring a trait at one moment in time that has exerted its influence over a lifetime. Add to that the fact that energy level is probably not as stable over time as, say, IQ.
Like Steve, I see energy making a big difference. I would be a much more accomplished person if I had the energy. Reading my blog, you might think I have a preference for brevity. Truth is, I'm too lazy to write more. I'd like to do the research to find out how to boost my drive, but it makes me tired even to contemplate it. I'll lie down and let the impulse pass.
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