Education · Assessment and Evaluation
एक शोधकर्ता बुद्धि परीक्षण में ऊपरी 25% समूह को निचले 75% समूह से अलग करने के लिए एक प्रश्न रखना चाहता है। उस प्रश्न का कठिनाई सूचकांक (Difficulty index) कितना होना चाहिए?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125% के करीब✓
- 275% के करीब
- 325% और 50% के बीच
- 450% और 75% के बीच
सही उत्तर देखें
25% के करीब
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