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Julia M. Rohrer@dingdingpeng.the100.ci |
An example in which substantive knowledge tells us all 3 types of effects exist: legwear. Clear age effects (rompers go down); clear period effect (barely any 70s jeans anymore); clear cohort effects (I like my jeans longer than my students bc that's how we wore them back when I was that age).>
2 replies 2 reposts 12 likes
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Julia M. Rohrer
@dingdingpeng.the100.ci
[ View ] |
I'm afraid I can't fit this into the article, so you may as well use it for your own purposes.
0 replies 0 reposts 5 likes
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rogier kievit
@rogierk.bsky.social
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brilliant. Do you know Lumsden (1976) who explains IRT using the flogging wall test (sticks hitting people on the head (being hit=accuracy, stick height=difficulty, wiggliness of the stick=discrimination, height=theta). Whole paper is a hilarious masterpiece
psycnet.apa.org/record/1976-...
4 replies 0 reposts 9 likes