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Science 7 Online
solodive:

Whats a control group?

Extrinix:

As is the definition in the AP College Board document on this: • The control group may be a “no treatment” or an “experimenter selected” group to use as a standard of comparison for the independent variable. • A negative control group is a control group that is not exposed to the experimental treatment or to any other treatment that is expected to have an effect.

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