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Rense writes: One down (guessing), one to go (discrimination)<br><br>
Answer: OPLM with its fixed, but different, discrimination coefficients.
<a href="http://www.cito.com/research_and_development/pyschometrics/psychometric_software/oplm.aspx" eudora="autourl">http://www.cito.com/research_and_development/pyschometrics/psychometric_software/oplm.</a><a href="http://www.cito.com/research_and_development/pyschometrics/psychometric_software/oplm.aspx" eudora="autourl">aspx<br><br>
</a>Mike L.<br><br>
<x-sigsep><p></x-sigsep>
Mike Linacre<br>
rmt@rasch.org
<a href="http://www.rasch.org/rmt/" eudora="autourl"><font color="#0000FF"><u>www.rasch.org/rmt/</a></u></font>
Latest RMT: 25:4 Spring 2012</html>