A history class of 50 students has agreed to be the subject of a research study.Half of the class has been asked to study for the next history test while listening to classical music.The remaining half has been asked to study in a completely silent environment.The test scores of the two groups will be compared at the end of the experiment.In this experiment,which of the following is the dependent variable?

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is being measured or tested for a change. In this case, the test scores of both groups are the variable being measured and compared, therefore, it is the dependent variable. The independent variable, on the other hand, is the variable that is being manipulated or controlled by the researcher, which is the study environment (classical music or silence) in this experiment. Choices A, B, and C are not the dependent variable in this study.

A History Class of 50 Students Has Agreed to Be