Discrimination power of an item is acceptable when its value ranges from?
کسی شے کی امتیازی طاقت قابل قبول ہے جب اس کی قیمت کی حد سے ہو؟
Answer: 0.30 to 1
Explanation
The discrimination power of an item is typically considered acceptable when its value ranges from 0.30 to 1.