experimental variable

Plural

experimental variables

a factor or condition that is deliberately changed in an experiment to observe its effect on the outcome

In the plant growth experiment, the amount of sunlight was the experimental variable, varying to observe its impact on plant development.
Researchers manipulated the temperature as the experimental variable to study its influence on enzyme activity in the laboratory.
The speed of a moving object served as the experimental variable in the physics experiment, testing its correlation with kinetic energy.
The concentration of a chemical solution was altered as the experimental variable to investigate its effects on reaction rates.
To explore the impact of music on concentration, researchers controlled the volume and genre as the experimental variables.

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