3. In an experiment, the researcher controls the manipulation of the independent vari- able by randomly assigning
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3. In an experiment, the researcher controls the manipulation of the independent vari- able by randomly assigning participants to treatment or control groups; this ensures that the treatment and control groups are equivalent before any treatment is applied or withheld.
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Communication Research Asking Questions Finding Answers
ISBN: 9780078036910
4th Edition
Authors: Joann Keyton
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