Reason (R): In experimental research, random assignment of participants to control and experimental groups is crucial.
Assertion (A): It ensures that both groups are as similar as possible at the start of the experiment.
1
Both R and A are true, and A is the correct explanation for R.
2
Both R and A are true, but A is not the correct explanation for R.
3
R is true, but A is false.
4
A is true, but R is false.