We probably all agree that a publication bias against negative studies will severely distorts our opinion. To repeat an earlier Nature letter
Why negatives should be viewed as positives … This filtering of results undoubtedly biases the information available to scientists (see, for example “Null and void” Nature 422, 554â€“555; 2003). And communication is at the heart of science.
Here is an email that I received from the editor Continue reading Bias against negative studies