Control variables are the variables (i.e., factors, elements) that researchers seek to keep constant when conducting research. In a typical research design, a researcher measures the effect an independent variable has on a dependent variable.
What are examples of control variables?
Examples of Controlled Variables
Temperature is a common type of controlled variable. If a temperature is held constant during an experiment, it is controlled. Other examples of controlled variables could be an amount of light, using the same type of glassware, constant humidity, or duration of an experiment.
What are the 5 controlled variables?
A control variable is any factor that is controlled or held constant during an experiment.
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Examples of common control variables include:
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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.
