The characteristic of a test to discriminate between high achievers and low achievers is?

The characteristic of a test to discriminate between high achievers and low achievers is?

اعلیٰ حاصل کرنے والوں اور کم کامیابی حاصل کرنے والوں کے درمیان امتیاز کرنے کے لیے ٹیسٹ کی خصوصیت کیا ہے؟
Explanation

The characteristic of a test to discriminate between high achievers and low achievers is Differentiability.

It refers to the ability of a test to effectively distinguish between individuals with varying levels of performance or ability.