Seventy-five of 100 learners answer an item correctly. What is the item difficulty index p?
100 میں سے پچہتر سیکھنے والے کسی سوال کا درست جواب دیتے ہیں۔ آئٹم مشکل انڈیکس p کیا ہے؟
- 0.75
- 0.25
- 1.33
- 75.00
Explanation
The difficulty index is calculated by dividing the number of correct answers by total examinees ($75 / 100 = 0.75$).
Additional Information:
Item Difficulty (p-value): Represents the proportion of students who answered the item correctly (higher value means easier item). Psychometric Analysis: Helps test developers gauge whether test items match target group ability levels.
Updated on 30-10-2026 by Muqadas
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