An example of an independent variable in psychology: In an experiment on the impact of sleep deprivation on test performance, sleep deprivation would be the independent variable.

Sorting by the second CONTROL variable continues to alternate between ascending and descending sorting throughout all levels of the first CONTROL variable. If there is a third CONTROL variable, the ...

These are control variables. Values and readings. The values are the measurements used for the independent variable. If, for example, one of the variables in an experiment was length, ...

Often an experiment involves things that can change, known as variables. Variables need to be identified, so they can then either be changed or controlled. There are three kinds of variable: ...