What is a control variable? A control variable is any variable that's held constant in a research study. It's not a variable of interest in the study, but it's controlled because it could influence the outcomes.
What are examples of controlled variables?
Examples of Controlled Variables
Temperature is a much common type of controlled variable. Because if the temperature is held constant during an experiment, it is controlled. Some other examples of controlled variables could be the amount of light or constant humidity or duration of an experiment etc.
What are the 5 controlled variables?
A control variable is any factor that is controlled or held constant in an experiment.
...
Examples of common control variables include:
...
Examples of common control variables include:
- Duration of the experiment.
- Size and composition of containers.
- Temperature.
- Humidity.
- Sample volume.
- Pressure.
- Experimental technique.
- Chemical purity or manufacturer.
