In the following example, what is the independent variable? Hypothesis: Mice receiving Drug-A will pass through a maze faster th
an mice receiving a water placebo. Experiment: 200 mice from a genetically identical inbred line are divided into two groups. Half receive Drug A and the other half receive the placebo. The time it takes for each mouse to pass through the maze is determined. The mice are treated the same in all other respects.
It would be A) nervous System because the brain is receiving information about the position of the body part, and the brain is the major organ of the Nervous System.
