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BaileyJo 04-04-2013 09:33 PM

Any teachers out there?
 
I was looking at exam statistics and was wondering can anyone tell me what item discrimination and item correlation are? I know it is a stretch but I am clueless. I know item difficulty.....

Item difficulty 0.19
Item discrimination 0.08
item correlation 0.03

I'm not a teacher so have no idea. I am assuming it is a bad question.

Thanks!


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