[Rasch] Rasch analysis of mean scores
mike at winsteps.com
Mon Sep 2 17:51:58 EST 2013
Rasch methodology can linearize mean scores:
Mean scores can be Rasch-analyzed as ratings on super-items provided
that we have replications, such as mean scores by different ethnic
groups on the same instrument in different years.
What are your mean scores, Veronika?
You wrote: I’d like to perform a Rasch analysis on mean scores, and I
was wondering if this works as well as on sum scores … What problems
might arise? Do you know a good paper on it?
More information about the Rasch