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Why do some investigations require a control

Why do some investigations require a control
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3 votes
Why do some investigations require a control

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User Edison Arango
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2 Answers

5 votes
Control variables must be monitored and controlled during an experiment to make sure that they are kept equal, otherwise they could make your results false or unreliable.
answered
User Ali Sattarzadeh
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8.2k points
4 votes
The purpose of the control is to compare the results of the set-ups with varied independent variable.
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User David Ruttka
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