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What is a controlable variable?

Updated: 9/17/2019
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βˆ™ 12y ago

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A variable which can be controlled by some other variables or some other parameters is known as controlled variable. A controlled variable is something that can be changed by the experimenter. It is also known as the independent variable. It is something that gives a measure by which to gauge everything else by. For example, if you were testing the effectiveness of a plant fertilizer the "control" would be a plant that is given no fertilizer at all. A controlled variable is the variable that stays the same through out the experiment meaning no changes to it.

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βˆ™ 8y ago
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βˆ™ 13y ago

A control variable is a variable in the experiment that never changes and is part of the control group.

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βˆ™ 7y ago

What are kept constant to ensure that it is only the Independent Variable causing an effect on the Dependent Variable

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βˆ™ 14y ago
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βˆ™ 14y ago

a control variable is something that might effect an experiment or its outcome

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