Education · Assessment and Evaluation
Parvati is calculating the item discrimination index of a test. She notices that a particular question has a discrimination index value of 18% (0.18). According to standard psychometric guidelines, what should Parvati do with this test item?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Increase the weightage of this question in the final score calculation.
- 2Retain it without modifications because it is a highly balanced question.
- 3Discard or significantly revise the item, as its discrimination is poor (below 0.20).✓
- 4Keep the item as it is, as it shows excellent discrimination.
Correct answer
Discard or significantly revise the item, as its discrimination is poor (below 0.20).
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