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Determine whether the study depicts an observational study or an experiment. Students are randomly divided into two groups. One group is taught German in a primarily oral class; the other is taught German in a primarily written class. After 1 semester comma each group is given a German test to compare fluency. Choose the correct description of the study.

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Answer:

The study is an experiment

Step-by-step explanation:

The study is an experiment because the researchers control one variable to determine the effect on the response variable.

Control variable (or scientific constant) in scientific experimentation is an experimental element which is constant or fixed and unchanged throughout the course of the investigation. The control variables themselves are not of primary interest to the researcher or experimenter.

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