controlled variable vs control variable

Both 'controlled variable' and 'control variable' are correct, but they are used in different contexts. 'Controlled variable' refers to a variable that is kept constant in an experiment, while 'control variable' is a less common term that can be used interchangeably with 'controlled variable'.

Last updated: March 25, 2024

controlled variable

This phrase is correct and commonly used in scientific contexts.

This term refers to a variable that is intentionally kept constant and unchanged in an experiment to observe the effect of other variables. It is a fundamental concept in experimental design.

Examples:

In the experiment, temperature was the controlled variable.
The controlled variable in this study was the amount of sunlight exposure.
Scientists must carefully identify and control variables in their experiments.
The controlled variable remained unchanged throughout the duration of the study.
The students were instructed to manipulate the independent variable while keeping the controlled variable constant.

Alternatives:

constant variable
held constant variable
kept constant variable
unchanged variable
standard variable

control variable

This phrase is correct but less commonly used than 'controlled variable'.

While less common, 'control variable' can be used interchangeably with 'controlled variable' to refer to a variable that is kept constant in an experiment. It is still understood in scientific contexts.

Examples:

The scientists identified the control variable in the experiment.
It is important to maintain the control variable at a consistent level.
The control variable was carefully monitored throughout the study.
In this research, humidity served as the control variable.
Students were asked to manipulate the independent variable while holding the control variable steady.

Alternatives:

controlled variable
constant variable
held constant variable
kept constant variable
unchanged variable

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controlled variable vs control variable