What is the importance of control groups in experiments?
Control groups are essential in experiments as they provide a baseline to compare the effects of the treatment.
Can you explain how a control group works?
Sure! A control group is not exposed to the treatment, allowing researchers to see what happens without the intervention.
Why can't we just use the experimental group for comparison?
Using only the experimental group can lead to biased results, as any changes could be due to other factors.
What are some examples of control groups in real studies?
In drug trials, the control group might receive a placebo, while the experimental group receives the actual drug.
How do researchers ensure the control group is valid?
Researchers randomize participants to ensure that both groups are similar in all aspects except for the treatment.
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