Dr. Redbull conducts a study to determine whether her new energy drink helps children perform better on spelling tests. She randomly assigns children to one of two groups: Group 1 receives her energy drink and Group 2 receives water. She then gives both groups a spelling test and compares the results. Which of the following is true about this study? A. Group 1 is the independent variable and Group 2 is independent variable.
B. The independent variable is the type of drink the children recieve.
C. Group 2 is the experimental group.
D. This is the corelational study.