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What are both positive and negative controls important when analyzing lab reports ?

User KeykoYume
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The positive control is an experiment that involves the repetition of the test using working treatment. ... This helps the analyst compare the result to a new experiment against an already results that are already known. Negative controls are always used during microbiology testing.
User Jabez
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Answer:

The positive control is an experiment that involves the repetition of the testusing working treatment. ... This helps the analyst compare the result to a new experiment against an already results that are already known. Negative controls are always used during microbiology testing.

User Charrison
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