Claims of causality in health news: a randomised trial
Overview In collaboration with nine UK press offices, we ran a randomised controlled trial in which the ‘participants’ were press releases (N = 312) distributed to international media outlets over a 20-month period from September 2016 to May 2017. To operationalise evidence strength, we concentrated on the basic distinction between correlational and experimental types of evidence, a keystone for assessing the ability...
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