[Rasch] SD or SE and differences in exam attempts

Patrick Fisher pfisher at sportsmeasures.com
Thu Nov 19 02:42:14 AEDT 2015

Greetings all,

I have a question about a situation I'm examining.

I am looking at some people who have multiple attempts on some high-stakes certification exams and looking at performance improvements over previous attempts. In considering the magnitude of these differences, which is more telling and why: jumps in standard deviation or standard error of measurement?

Thank you very much,

Patrick Fisher

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