[Rasch] Re:Urgent question about high stakes and normality

Agustin Tristan ici_kalt at yahoo.com
Tue Jan 31 05:50:23 EST 2006

It has been proposed to normalize all the subjects to a mean and st.dev. in such a way that everything is equal: ALL the topics and across the time you will have the same mean and the same st.dev...Which is the mean in math? 50, and history? 50, last year? 50, i can predict that mean in math in 2007 will be 50, as well as the mean in history.
  How can we show improvement or decrease in academic results? 
  Please let us know.

Mariano Jiménez 1830 A 
Col. Balcones del Valle 
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TEL (52) 44-4820 37 88, 44-4820 04 31 
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