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A control group is subjected to the same procedures as the experimental group but does not receive the treatment of the independent variable. In the control group all variables are held constant. It is used as a baseline measure. This helps determine whether any of the resulting effects of the experimental group are due to the independent variable treatment and not to the actions involved in providing the treatment.

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17y ago

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Why is a control group necessary in a scientific investagation?

A control group is needed to see how the sample responds under normal conditions


Why did mendels experiment use pure lines?

He needed a control group. *Apex*


Why did mendels use pure lines in his experiment?

He needed a control group. *Apex*


Why is a control needed in an experiment?

The control group gives you something to compare the results to. For example, in a medical trial for a new medicine, one group will receive sugar pills. Without this control group, it means nothing if 50% of those treated with the real medicine get better. The control group may have the same results, better results, or worse results. This tells how effective the medicine is. The same is done with any type of experiment.


Why should expieriments have a 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.


Why is a control group needed in any experiment?

A control group creates a 'yard-stick' to measure any changes in the experiment. For example, suppose you're testing a new diet pill on 100 people - you'd only give the pill to half the group, leaving the other half as a 'control' to see if the diet pill actually works.


Why do you use a control group?

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


What is a control or control group?

the group that does not change in the experiment VIVI :)


What is a control group in a science experiment?

A control group is the unaffected group in a science experiment.


The group that does not receive the experimental treatment in an experiment is the?

control group


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You need a control group to compare your experimental group to something.


What is a control in a scientific experiment?

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.