a control group assures that an experiment will be repeatable
The control experiment allows a standard of comparison for the experimental group
Every experiment requires a control group. This is so that the group that is manipulated can be compared to a group that has had nothing done to it., in order to measure changes.
so that it doesn't go out of control
Depending on the experiment, expectation can be very powerful. In a medical experiment, a control group can help determine whether the drug being tested is responsible for the result rather than expectation or something else. For a study of a rare occurrence, a control group may help an experimenter determine whether the outcome is due to chance.
You should include answer to your problem, 1 variable, and a control group.
A control group is the unaffected group in a science experiment.
The control group
Because without it, it wouldn't be organized.
A control group is the standard of comparison between what happens with the experimental variable and without the experimental variable.
the group that does not change in the experiment VIVI :)
A valid experiment must include a control group for comparison, random assignment of participants to groups, manipulation of an independent variable, and measurement of a dependent variable to test the hypothesis.
A test group is the group in an experiment to which the change is being applied and the control group is the same type of group in an experiment to which nothing is done to compare the changes in the test group to.