In an Experiment,the Researcher Randomly Assigns Students Who Have Been

Multiple Choice

In an experiment,the researcher randomly assigns students who have been caught smoking inside the high school to three different classes of a health class in which the teacher will address the issues of adolescent smoking.One advantage of this experimental procedure is

A) any variability in student characteristics will be equated among the classes.
B) the students who are caught smoking will be required to take a health class.
C) variables,such as the type of adolescent smoker,will be controlled in the study.
D) the students will be randomly assigned to the three classes and equally distributed.