Smart people SLEEP LATE yells the headline of this opinion piece in the Winnipeg Free Press. It begins,
Sleep is a fundamental component of animal biology. New evidence confirms that, in humans, its timing reflects intelligence. People with higher IQs (intelligence quotients) tend to be more active nocturnally, going to bed later, whereas those with lower IQs usually retire to bed sooner after nightfall.
Let’s stop right there and ask a few questions:
- Does each of us actually have a “quotient” — a sum — of intelligence?
- Is intelligence actually measurable as a sum?
- Do you believe you have an IQ? Do you know what it is?
- Would you be willing to share your IQ scores? Why? Or why not?
I took many IQ tests during my years in school. And since my mother taught in the public school I attended through the 9th grade, she had access to all my records. Between those and others I’ve seen, my known IQ scores have an eighty point range: from quite smart to quite dumb. Those scores are among the many facts that convinced me long ago that IQ testing is meant mostly for one thing: ranking people. It’s made to privilege some, to keep privileges from others, and to move the rest as a herd through school or some other system. It legitimizes the arbitrary sorting of human beings into castes based on poor measures of one quality that makes each of us very human, and therefore also very different from every other human being. In a cruel way, it seeks to measure the immeasurable, and to sort us out accordingly.
IQ testing became popular in an age when eugenics was still taken seriously: when it was assumed by privileged populations that races and ethnic groups differed by intelligence and other measures. Today we go out of our way to avoid that kind of thinking, at the official level. But the proclivity persists. Assuming that people have an IQ — intelligence measured as if by a thermometer — is still more than common, despite abundant evidence to the contrary. That’s what we see in reports like the quoted one above.
So here’s my advice to anybody writing about the topic: recognize that IQ is a one-time score on a test, not a true measure of the very human and highly arcane personal quality we call intelligence. Don’t say “Those with higher IQs.” Say “Those with higher IQ scores.” The difference is between humanity and that which seeks to replace it with a number. It should help to think about the harms caused by the latter.
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