How many variables should you have in a control experiment?

asked May 3, 2015 21.4k views

3 votes

by Mpmp

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4 votes

you should do three variables so you can note the difference

Folen Gateis answered May 5, 2015

7.9k points

7 votes

It depends on the case, but usually two variables should be in a controlled experiment.

Luison answered May 9, 2015

8.3k points

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