A Difference Between the Use of Coefficient Alpha and IRT

question 95

Multiple Choice

A difference between the use of coefficient alpha and IRT for evaluating a test's reliability is that with IRT,it is possible to learn

• A) how the precision of a scale varies depending on the level of the construct being measured.
• B) how the level of the construct being measured varies depending on variations in the item characteristic curve.
• C) the precise numerical value for the test's total interitem consistency.
• D) All of these

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