Why should scientists control most possible variables in their experiments?

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asked Nov 4, 2017 30.3k views

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Alexey Shikov · Answer 1 · 2017-11-08T03:34:40+0000

Scientists should control most possible variables in experiments to get the most valid and correct data. If many variables are included in experiments it is more difficult to interpret what is causing a different outcome.

Why should scientists control most possible variables in their experiments?

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