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روان شناسی و مشاوره::
منحنی ویژگی سوال
an item characteristic curve (ICC) that, for each item, plots the probability of getting the
The ICC takes a form like that of a normal
The aim of IRT is to look at the fundamental algebraic characteristics of these ICC
When the ICC is
For Birnbaum, four variables are required to defne an ICC.
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