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Why do you need a positive control in an experiment?

Oliver Davis | 2023-06-13 07:45:33 | page views：1159
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Amelia Brown

Studied at the University of Manchester, Lives in Manchester, UK.
A positive control is a group in an experiment that receives a treatment with a known result, and therefore should show a particular change during the experiment. It is used to control for unknown variables during the experiment and to give the scientist something to compare with the test group.
2023-06-17 07:45:33
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Abigail Wilson

QuesHub.com delivers expert answers and knowledge to you.
A positive control is a group in an experiment that receives a treatment with a known result, and therefore should show a particular change during the experiment. It is used to control for unknown variables during the experiment and to give the scientist something to compare with the test group.
Positive Control: Definition & Experiment - Video & Lesson Transcript ...
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