Edited sentence: Each media source is also rated by the accuracy of their reporting, on a scale including 'very high', 'high', 'mixed', 'low', and 'very low'.For sources that don't fit on the political bias spectrum, the site also uses ratings such as 'pro-science', 'conspiracy/pseudoscience', and 'satire'.Media Bias/Fact Check describes itself as "the most comprehensive media bias resource on the internet" and they list over 2500 media organisations on their web site.Media Bias/Fact Check uses a rating system based on a political spectrum with the ratings for bias as 'extreme left', 'left bias', 'left-center bias', 'least biased', 'right-center bias', 'right bias', and 'extreme right'.The site classifies media sources on a political bias spectrum, as well as on the accuracy of their factual reporting.The site is run by founder and editor Dave Van Zant