Randomly choosing participants for the control group is effective. The reason for this is you could observe reactions of different participants in the control group.
The control group in an experiment is the group that nothing is done to. The reason why there is a control group in experiments is to compare it with the group that has been tested.
You use a control group to compare the results of the experimental group to. The control group has the "normal" results. After the experiment, you can tell if and what has changed from the control groups results
the group that does not change in the experiment VIVI :)
A control group is the unaffected group in a science experiment.
control group
You need a control group to compare your experimental group to something.
Nope. No one can control everything, least of all a super secret society that does not exist, no matter how much power some choose to believe such a fictitious group might have.
A control refers to the "control group" in a scientific experiment. The control group is compared to the experimental group. For example, pretend you are experimenting to see if a drug works. Group A (The experimental group) is given the real drug, and Group B (The control group) is given a fake drug (placebo) to compare results.
maths Biology is the best group,because this conduct the dr,engineer so has to choose this group
the control group is the group or subject that is not affected by what you are testing for.
A control group is never changed.
A control group is nothing changed about it