Match each study design to the key feature it would need to be considered valid science.

Drag each item on the left to its matching item on the right.
free from financial incentive or bias
peer-review
credentials
A full professor at a university conducts a series of studies and pays an independent publisher to publish a book containing the results.
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A researcher receives funding from Dannon to investigate the effects of probiotics on gut health.
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A college student conducts a research study that is funded by grants and published in a peer-reviewed journal.
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free from financial incentive or bias - A college student conducts a research study that is funded by grants and published in a peer-reviewed journal.

peer-review - A full professor at a university conducts a series of studies and pays an independent publisher to publish a book containing the results.

credentials - A researcher receives funding from Dannon to investigate the effects of probiotics on gut health.