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Why do some investigations require a control
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Why do some investigations require a control

User Edison Arango
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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.
User Ali Sattarzadeh
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4 votes
The purpose of the control is to compare the results of the set-ups with varied independent variable.
User David Ruttka
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