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 dependent variable and Group 2 is the independent variable.
B) The independent variable is the type of drink the children receive.
C) Group 2 is the experimental group.
D) This is a correlational study.

Question

Quizplus · Accepted Answer

The independent variable is the factor that is manipulated by the researcher to observe its effect on the dependent variable. In this study, the type of drink (energy drink vs. water) is what is being manipulated to see its effect on spelling test performance, making it the independent variable.

DrRedbull Conducts a Study to Determine Whether Her New Energy