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23 May, 18:59

When setting up an experiment why is it necessary to have a control group

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Answers (2)
  1. 23 May, 20:42
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    A control group in an experiment is a group separated from the rest of the experiment (for example, there is no use of treatment on that group). It is a group where the independent variable being tested cannot influence the results. There are two types of control groups: positive and negative.

    Positive - the conditions of the experiment are set to give a positive result

    Negative - the conditions of the experiment are set to give a negative outcome.
  2. 23 May, 22:41
    0
    To have a group to compare to the experimental group

    Explanation:

    I took the test k12
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