Biology

The independent variable of the experiment is the color of the room.

Here's why:

1.The independent variable is the one that the scientist changes or manipulates in the experiment to observe its effect on the dependent variable. In this case, the scientist is testing whether the color of the paint in the room influences the person's mood, so the color of the room is the variable that is being altered.

2.The dependent variable would be the person's mood, as it is the outcome that is being...