Oct 2006 (Ver. 5.6.3)

Conditional standard errors of measurement are now estimated for cognitive subtests.  Read about CSEMs with a click here.


A new supporting document related to the use of CSEMs, mastery tests, and cut scores is available as a Word document (about 300 KB).


A scatterplot of item difficulty by discrimination now appears at the bottom of every Statsb report. With a wee click here you'll see great some examples.