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army1987 comments on Halloween thread - rationalist's horrors. - Less Wrong
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Comments (120)
googles it and takes it
Are the questions supposed to get harder the further I progress? I scored 18/36, but among the first fifteen questions I got all of them right except 2 and 10, and among the last twenty-one I only got right 18, 24, 28 and 35. (Maybe my expression-reading skill is usually decent when rested but quickly gets fatigued, or something.)
I'm not sure. I don't think that the 3 that I got wrong clustered at the end and I don't think I felt any increase in uncertainty as the test progressed.
Maybe you got bored and started going faster towards the end? Or maybe you started out going on instinct and then began to second-guess yourself, in a sort of "beginners luck" way? (if such a thing exists)
Edit: Skimmed this paper by the creators, found no mention of intentionally increasing difficulty.
(Also, my mean of 25 was from cursory skimming of this, which I found via google search and didn't check the sources. The mean found by these authors was lower, at 18 for males and 21 for females. So I'm not sure what's 'normal". Eyeballing, the distribution seems rather wide.)
Well, even if any given person had 50% probability of getting each question right, there would be a s.d. of 3 from statistical fluctuations alone.
Both sound plausible; maybe both happened, their effects on time spent per question cancelling out but their effects on accuracy adding up together.