Tamir et al.2008) conducted a study to see what impact music has on participants playing computer games.The researchers had participants play computer games while listening to angry, exciting, and neutral music.The researchers then measured the participant's performance while listening to each type of music.How many levels to the independent variable in this study?

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Quizplus · Accepted Answer

The independent variable in this study is the type of music the participants listened to while playing the computer games. There were three types of music tested - angry, exciting, and neutral - so there are three levels to the independent variable.

Tamir Et Al