Question:
Which of the following statements is/are correct about “item-response theory”?
Which of the following statements is/are correct about “item-response theory”?
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IRT evaluates test item quality using logistic models to link latent traits with response probabilities.
Updated On: Jan 24, 2025
- It talks about how items should function based on the knowledge of an ability or trait.
- It compares responses to items to determine how well the items function.
- It is based on the assumption that many latent traits underlie test performance.
- It is a logistic function having one, two, or three parameters.
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The Correct Option is A, B, D
Solution and Explanation
- IRT explains how test items function in relation to a latent trait or ability (A).
- It assesses item functionality by analyzing response patterns (B).
- IRT assumes a single latent trait rather than many underlying traits (C).
- Logistic functions with parameters model the relationship between ability and item response in IRT (D).
Thus, the correct answer is (A, B, D).
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