In a classroom study, a teacher randomly assigns half of her class periods to a group that will receive a special treatment and the other half of her class periods to a group that will receive a traditional treatment. The aspect that makes this study experimental in nature is that ______.

Question

Quizplus · Accepted Answer

The experimental nature of the study is based on the fact that the teacher is randomly assigning treatments to groups, which means she is controlling the independent variable (i.e., the type of treatment received). This is also known as manipulation of the independent variable. The dependent variable (i.e., the outcome being measured) is being affected by this manipulation. Therefore, option A and B are not correct as the teacher is controlling the independent variable and it is affecting the dependent variable. Option D is not relevant to this question.

In a Classroom Study, a Teacher Randomly Assigns Half of Her