Understanding what a ‘control’ is can help you decide for yourself how insightful new studies are.
- Assistant Research Professor of Health Policy and Administration, Penn State
Researchers design studies that might disprove what’s called their null hypothesis – the opposite of the claim they’re interested in exploring.
As declarações do governo Trump de que o uso de Tylenol durante a gravidez causa autismo sugerem uma certeza que a ciência não apoia.
Trump’s definitive statements that Tylenol use during pregnancy causes autism suggest certainty that the science does not support.
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