Test Characteristic Curve TCC |
Select by clicking on "Test CC" or from the Graphs menu. This is the test characteristic curve (TCC), the score-to-measure ogive for this set of items. It is always monotonic ascending. See also TCCFILE= and Table 20.
For customized range and increments, use TCCHIGH=, TCCLOW=, TCCINCR=
Buttons are described in Graph window.
With 0-100 user-friendly rescaling using UIMEAN= and USCALE= from Table 20.1, the TCC for Example0.txt becomes this:
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