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I'm not sure if the article title and general tone is consistent with the actual interpretation of the data within the article. For instance: see this point wit

I'm not sure if the article title and general tone is consistent with the actual interpretation of the data within the article. For instance: see this point within. > To get the point, consider that if someone has mental needs, there will be 100% correlation between performance and IQ tests. But the performance doesn’t correlate as well at higher levels, though, unaware of the effect of the nonlinearity, the psychologists will think it does.(The statistical spin, as a marketing argument, is that a person with an IQ of 70 cannot prove theorems, which is obvious for a measure of unintelligence — but they fail to reveal how many IQs of 150 are doing menial jobs. So “vey low IQ” may provide information, while “very high IQ” may convey nothing better than random — it is not even a necessary condition.). At the very least, even the author seems to be saying that IQ is a useful metric for understanding the world on the low end.

funstuff007 4y ago
Indeed. It's always been hard to write a good title, but in this age of click-back it's hard to avoid writing a bad title.
rightbyte 4y ago
> But the performance doesn’t correlate as well at higher levels, though, unaware of the effect of the nonlinearity, the psychologists will think it does. Dunno what the author is trying to say. Most psychologists into IQ should know it is a normal distributed scale. And a correlation of 1 with any empiric data with IQ is just hyperbole. Who says there is any perfect correlation with something and IQ in the lowest range.
yucky 4y ago
People with a lower IQ do menial jobs because it is all they can do, people with a higher IQ might do a menial job because that's what they want to do. Not everyone is motivated by wealth. In fact, the highest IQ's tend to belong to people who do not play well with others. Maybe leaning on a broom is just the ticket needed to happiness.

funstuff007 4y ago

Indeed. It's always been hard to write a good title, but in this age of click-back it's hard to avoid writing a bad title.

rightbyte 4y ago

> But the performance doesn’t correlate as well at higher levels, though, unaware of the effect of the nonlinearity, the psychologists will think it does. Dunno what the author is trying to say. Most psychologists into IQ should know it is a normal distributed scale. And a correlation of 1 with any empiric data with IQ is just hyperbole. Who says there is any perfect correlation with something and IQ in the lowest range.

yucky 4y ago

People with a lower IQ do menial jobs because it is all they can do, people with a higher IQ might do a menial job because that's what they want to do. Not everyone is motivated by wealth. In fact, the highest IQ's tend to belong to people who do not play well with others. Maybe leaning on a broom is just the ticket needed to happiness.