General Studies · Psychometrics - Item Analysis
In classical test theory item analysis, the item difficulty index (p-value) is calculated as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The average time taken to answer the item.
- 2The proportion of test-takers who answered the item correctly.✓
- 3The number of test-takers who skipped the item.
- 4The percentage of test-takers who answered the item incorrectly.
Correct answer
The proportion of test-takers who answered the item correctly.
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