Original sentence: Often, this system works as designed, though the process can sometimes be impeded by confirmation bias
Edited sentence: In cases where there is little doubt regarding the subject under study, establishing what the consensus is can be quite straightforward.In cases where there is still significant doubt among that scientific community, methods such as polling are sometimes used to ascertain the existing scientific consensus.Nonetheless conferences, the process of publication and peer review lead to a situation where those within the discipline can often recognize such a consensus where it exists