@rogierK Do you know what the individual-level SD of the Dutch CITO test is? I have been trying to find out, but sources are in Dutch.
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@KirkegaardEmil Can't find canonical SD's anywhere but here are dist plots (range 501-550, mean 535, pretty skewed)http://educatie-en-school.infonu.nl/examen/129319-wat-is-de-verdeling-van-de-cito-toets-scores.html …
@rogierK Fairly strong ceiling effect too. Makes interpretation difficult, especially if there is an increase over time.
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@KirkegaardEmil Yep (although increase very modest, but agreed, plenty of room at the top!)Thanks. Twitter will use this to make your timeline better. UndoUndo
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