Professor Stenson is examining the effects of color on patients' anxiety levels.She randomly assigns patients to either a room painted white or a room painted black,and then records their blood pressure.In this case,the independent variable is the:

Question

Quizplus · Accepted Answer

The independent variable is the variable being manipulated by the researcher, in this case, the room color. The dependent variable is the variable being measured, which is the patients' blood pressure. Therefore, the independent variable is room color (choice C). The other choices are not relevant as they are either the dependent variable or not mentioned in the scenario.

Professor Stenson Is Examining the Effects of Color on Patients