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a test in isolation cannot be bullshit. when people talk about iq test many people imagine the person believes an iq test is a rigorous measure of all intellectual talent. or course it is not that. but it is also wrong to suggest it has no meaning at all. it does have some predictive power.

imperfect measures are not always useless, which is goof since all measures have some error.

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> a test in isolation cannot be bullshit.

A test trying to measure something we can't even properly define is kinda flawed in it's whole premise.

As such the best an IQ test can do is measure how well somebody prepared for a test like that, but it will struggle to properly catch any knowledge or skill domains not covered by the test, of which there are a lot.

IQ tests don't even attempt to measure any knowledge or skill domains at all. I don't think you understand what an IQ test even measures.

IQ tests correlate with things. Thus it captures more than just how good someone is at the IQ test.

You can say "There is this test, and people's scores on this test correlate with various things like, income, marital fidelity, religiosity, incarceration rates, job performance". We call this test the IQ test.

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