Essay
Briefly explain the basis of item response theory. How does it differ from classical test theory? What are some of the benefits and challenges to each of these theories? Are there times when one would be more appropriate to employ than the other? What are item characteristic curves, and what information can they provide?
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Item response theory (IRT) is a statisti...View Answer
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Q1: Using decision theory, both expectancy tables and
Q2: One fundamental assumption of item response theory
Q3: If an instrument measures consistently but does
Q4: In the equation Y' = a +
Q6: An important parameter in item response theory
Q7: An example of gathering evidence based on
Q8: The standard error of estimate is an
Q9: Standard error of measurement is to standard
Q10: Validity evidence is to _ as item
Q11: Of the three historical types of validation