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Questions and Answers
What is the Item Characteristic Curve (ICC) used to graphically present?
What is the Item Characteristic Curve (ICC) used to graphically present?
- The number of people who take the test
- The types of people who take the test
- The probability of choosing the correct answer as a function of the level of attribute measured by the test (correct)
- The difficulty of the test items
What is emphasized by modern approaches to test development and analysis?
What is emphasized by modern approaches to test development and analysis?
- Statistics and analytic methods (correct)
- Simple methods of item analysis
- Traditional item analysis
- The influence of people who take the test
Which feature of an item does the Item Characteristic Curve (ICC) summarize?
Which feature of an item does the Item Characteristic Curve (ICC) summarize?
- The number of people who choose the correct answer
- Difficulty, discriminating power, and probability of answering correctly (correct)
- The types of people who take the test
- The level of attribute measured by the test
What does a very difficult item with little discriminating power indicate?
What does a very difficult item with little discriminating power indicate?
According to the Item Characteristic Curve (ICC), what happens as verbal ability increases?
According to the Item Characteristic Curve (ICC), what happens as verbal ability increases?
What does it mean when people who did well on a test are less likely to do well on a particular item?
What does it mean when people who did well on a test are less likely to do well on a particular item?
According to item response theory (IRT), what is the purpose of using item characteristic curves?
According to item response theory (IRT), what is the purpose of using item characteristic curves?
In IRT, what does item discriminating power refer to?
In IRT, what does item discriminating power refer to?
What is a disadvantage of using traditional item analysis, as compared to item response theory (IRT)?
What is a disadvantage of using traditional item analysis, as compared to item response theory (IRT)?
In IRT, what does a difficult item refer to?
In IRT, what does a difficult item refer to?
How does adaptive testing differ from traditional test construction?
How does adaptive testing differ from traditional test construction?
What can be achieved by constructing separate item characteristic curves for each possible response in a multiple-choice test?
What can be achieved by constructing separate item characteristic curves for each possible response in a multiple-choice test?
In IRT, how does item discriminating power differ from traditional approaches to item analysis?
In IRT, how does item discriminating power differ from traditional approaches to item analysis?
What is a potential application of adaptive testing?
What is a potential application of adaptive testing?
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What does adaptive testing allow for?
What does adaptive testing allow for?
What does screening tests aim at?
What does screening tests aim at?
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