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Although standardized testing is a particularly hot topic in education right now, this approach to measurement has been in use for two millennia. And while the results of standardized testing can help us understand some things, they can also be misleading if used incorrectly. So what do these tests actually measure? And are they worthwhile? Arlo Kempf investigates.

Lesson by Arlo Kempf, animation by CUB Animation.

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