If you had a multiple choice quiz with the actual questions hidden you would get... | Hacker News

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		salty_biscuits on March 20, 2020 \| parent \| context \| favorite \| on: MIT to no longer consider SAT subject tests in adm... If you had a multiple choice quiz with the actual questions hidden you would get a normal distribution in results. Anything where you sum lots of small random effects.

im3w1l on March 20, 2020 [–]

If the test was not measuring anything at all, then you would expect repeat takers to have completely unrelated scores on first and last test.

salty_biscuits on March 21, 2020 | [–]

That's true, I'm just pointing out that the normality of the distribution of the results alone proves nothing.

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