focusvariable
nounUK /ˈfəʊkəs ˈveəriəbl/
US /ˈfoʊkəs ˈveriəbl/
A focus variable is the one thing a scientist changes on purpose to see what happens.
In our plant experiment, the focus variable was the amount of water each plant got.
OTHER MEANINGS
2. In math, a focus variable is the letter or symbol you pay closest attention to when solving a problem.
When solving for x, x is the focus variable in the equation.
3. In a survey, a focus variable is the main answer you are trying to learn about.
The focus variable in our class survey was how many hours students sleep.
4. In computer coding, a focus variable is the value a program watches most closely while it runs.
The programmer set the score as the focus variable to track the game.