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About IQ tests

Why are there so many tests that always deliver different IQ scores? The great demand for intelligence tests means that assorted IQ-test imitations have sprung up.

IQ and education

What do you think? Were people also so intelligent in the past? Would they also be able to successfully pass an IQ test that we today complete without so much as a blink of the eye with an average IQ score? Would they even understand IQ tests?   Are we accumulating intelligence? It is interesting that, like the volume of education (i.e. knowledge), the average IQ score is also growing over time.