4 ms·
If you take a test at the end of every class to demonstrate mastery of the subject how is that not cost effective?
by riskable 3y ago
If you take a test at the end of every class to demonstrate mastery of the subject how is that not cost effective?
- hiAndrewQuinn 3y agoBecause 30 hours is 30 times more than 1 hour. That's what a random sampling lets you get away with.