Wikipedia tries to address the problem of systemic bias, and to deal with zealous editors who seek to influence the presentation of an article in a biased way, by insisting on a neutral point of view. The English-language Wikipedia has introduced a scale against which the quality of articles is judged; other editions have also adopted this. Roughly 1200 have passed a rigorous set of criteria to reach the highest rank, ""featured article"" status; such articles are intended to provide a thorough, well-written coverage of their topic, and be supported by many references to peer-reviewed publications.