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Because it's an experiment not a replication...

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Q: Why is a variable used in an experiment?
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Related questions

What is a n independent variable?

an independent variable is a figure usually shown as a letter that is used in the scientific theory. An independent variable is used in a hypothesized experiment in which this variable is unchanged and is used to effect the dependent variable somewhere in the experiment.


What is a variable that is change in an experiment?

The dependent variable is the variable that can change in an experiment.


What is the control group and what is it used for?

The control is the part of the experiment where it remains constant, and never changes. The control is used so the changing variable in the experiment can be reflected off of the control, so thereby comparing the changing variable with the control (the variable that does not change) in the experiment. Without the control, the experiment is a waste.


What is the variable that is changed by a scientist in a experiment?

The dependent variable is the variable that can change in an experiment.


What variable is the part of an experiment that is not being tested and is used for comparison?

The control group or variable


What is the control of a experiment?

The control of an experiment is the part of an experiment that does not change, and is strictly used as a comparison to the variable that is being tested.


What is the variable that is changed in an experiment?

The independent variable is the variable that is changed during an experiment.


What is variable in a experiment?

What is a variable in a experiment


What is the word used to describe a factor in an experiment that be changed?

variable


A variable is a factor in an experiment that....?

variable is a factor in an experiment that can change


Dependent variable used in a sentence?

You could say, "Today in our science experiment we had to figure out what the dependent variable was"


What is the dependent and independent in a experiment?

The independent variable of an experiment is the variable that you change, and the dependent variable is the result of the independent variable.