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One. If there is only one variable being tested, when you compare it to the control, you know that was the cause of a change.

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12y ago

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Is a variable a prediction that can be tested with a experiment?

No, a hypothesis is. A variable is the thing being tested in the experiment.


In an experiment what is the factor that is tested?

The factor that is tested in an experiment is called the independent variable. This is the variable that is intentionally changed or manipulated by the researcher in order to observe its effect on the dependent variable.


What variable is the part of the experiment that is being tested?

the independent variable


The variable is the part of the experiment that is being tested?

Independent variable ! :)


What is the dependant variable in sciences?

The dependant variable is what is tested in an experiment.


What is the variable in the part of the experiment that is being tested or that is changed by the person doing the experiment?

The variable that is being tested or changed by the person conducting the experiment is called the independent variable. This variable is manipulated to observe its impact on the dependent variable, which is the outcome being measured in the experiment.


What is an experiment in which one variable is tested at a time?

Controlled Experiment :]


What variable was tested in Pasteur's experiment?

The tested variable is whether or not things rose spontaneously from the broth.


What is the part of the experiment that is changed and tested?

The part of the experiment that is changed and tested is called the independent variable. This variable is manipulated or controlled by the researcher to observe its effect on the dependent variable.


What is the factor tested in an experiment called?

The factor tested in an experiment is typically called the independent variable. This is the variable that is deliberately manipulated or changed by the researcher to observe its effect on the dependent variable.


In an experiment what factor is tested?

The independent variable.


What do you call the variable part of the experiment that is being tested?

The variable part of the experiment that is being tested is called the independent variable. It is the factor that is manipulated or changed by the researcher to see its effect on the dependent variable.