what is a controlled variable in science
The independent variable is the giving of the drug (dose), while the dependent variable is the measured (empirical) improvement in the conditions of the experimental subjects receiving the treatment. lemon_lorrain Â· 7 years ago. Thumbs up. 1. Thumbs down. 0. Comment. Add a comment. Submit. Â· just now. Report Abuse. controlled variable is the thing in the experiment that will not be changed. like water on plants. its what you compare your results to.