In order to conduct an experiment more efficiently,a researcher tests groups of participants in several small groups.The number of participants in each group differs because of participants' availability at different times.The different number of participants in each group represents a potential

Question

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The different number of participants in each group can introduce variations that are not related to the experimental manipulation, thus acting as extraneous variables that could affect the outcome of the experiment. These variables are not the primary interest of the study but can influence its results, making it harder to isolate the effect of the independent variable.

In Order to Conduct an Experiment More Efficiently,a Researcher Tests