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Biology, 12.07.2019 06:30 dianactorres

Reynaldo is reviewing a study on the effectiveness of a new drug-free remedy for depression. in the study, a group of participants was given a natural supplement for a period of six weeks. they rated their mood both before and after treatment. two-thirds of the group reported a marked improvement after the trial. what change in this study would do the most to increase reynaldo's confidence that sound scientific practices were followed?

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Reynaldo is reviewing a study on the effectiveness of a new drug-free remedy for depression. in the...

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