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Causal inference is a central goal of scientific research Scientists care about causal mechanisms, not just about causal effects Randomized experiments often only determine whether the treatment causes changes in the outcome Not how and why the treatment affects the outcome Common criticism of experiments and statistics: black box view of causality(More)
The ubiquity of Online Social Networks (OSNs) is creating new sources for healthcare information, particularly in the context of pharmaceutical drugs. We aimed to examine the impact of a given OSN's characteristics on the content of pharmaceutical drug discussions from that OSN. We compared the effect of four distinguishing characteristics from ten(More)
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