Tag Archives: experiments

Published articles understate the probability of type I errors

Screen Shot 2015-12-16 at 17.52.20Can we trust published articles in political science? A recent paper suggests that we should be sceptic. When comparing the published results of survey experiments with the pre-registered plans for the same study, a lot of information gets lost. 80 percent of the studies failed to report all experimental conditions and planned outcomes.

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