How many groups are usually made in Experimental Method?
How many groups are usually made in Experimental Method? (a) 3 (b) 2 (c) 4 (d) None ✅ Correct answer: (b) 2 Explanation: Experimental method usually has two groups: experimental & control.
How many groups are usually made in Experimental Method? (a) 3 (b) 2 (c) 4 (d) None ✅ Correct answer: (b) 2 Explanation: Experimental method usually has two groups: experimental & control.