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All right, the psychology lab at carnegie mellon is setting for an interesting experiment on the emotional impact of video games.
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Participants are randomly assigned to one of three conditions.
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One group plays one hour of warcraft.
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The next group is exposed to one hour of peaceful music through the internet.
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Last group gets no treatment.
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Researchers believe the group exposed to video games will be more tense, anxious, and hostile.
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After the treatment, participants are given a paper and pencil test that measures their self -reported anxiety.
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So we have two questions that go along with the experiment.
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So this first question says, the independent variable in the experiment would be? so that's the thing that we're changing.
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And honestly, it is the presence of the video games...