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Dr. Branch would like to study the relationship between room lighting and college students' test performance. He randomly assigns students to one of two groups. The first group takes an exam in a dimly lit room; the second group takes the same exam in a regularly lit room. Which is the experimental group?.

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akposevictor

The first group that takes an exam in a dimly lit room is the experimental group in this research.

What is Experimental Group?

In a research experiment, the group of research subjects that the researcher administered a treatment to and studies the effect is what is referred to as the experimental group.

Therefore, the first group that takes an exam in a dimly lit room is the experimental group in this research.

Learn more about experimental group on:

https://brainly.com/question/22675982

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