A variable that is not of interest to the researcher, but which interferes with the statistical analysis. In statistical analyses, control variables are held constant or their impact is removed to bet [..]

For simple control systems, where pressure, volume, or flow is preset, the control variable is the independent variable in the equation of motion for the respiratory system. In more complicated scheme [..]

The inputs and outputs which a control system manipulates and measures to keep proper control.

See explanatory variable.

A control variable is any factor in a research study related to the study’s participants or the characteristics of the study’s setting/circumstance that (a) is initially present as a potentially problematic extraneous variable; (b) is planned for or accommodated by the researcher to ensure that its influence does not confound or confuse the eventua [..]

A variable in a model controlled by an agent in order to optimize something.

(sciences) A factor that is held constant in a series of experiments in which other factors are varied ''There are different ways of analysing equations and I prefer to look at elements involved a [..]