Evaluating Sources

A Project of The Annenberg Public Policy Center. Also includes SciCheck for science claims.

MBFC News is dedicated to educating the public on media bias and deceptive news practices.

Winner of the Pulitzer Prize. PolitiFact is a fact-checking website that rates the accuracy of claims by elected officials and others who speak up in American politics. PolitiFact is run by editors and reporters from the Tampa Bay Times, an independent newspaper in Florida. PolitiFact staffers research statements and rate their accuracy on the Truth-O-Meter, from True to False. The most ridiculous falsehoods get the lowest rating, Pants on Fire.

Founded by David Mikkelson, a project begun in 1994 as an expression of his interest in researching urban legends that has since grown into the oldest and largest fact-checking site on the Internet, one widely regarded by journalists, folklorists, and laypersons alike as one of the world’s essential resources. Read about methodology and rating system at http://www.snopes.com/about-snopes/

Find other fact-checking sites using an interactive world map (or by searching or browsing). The Reporters’ Lab explores new forms of journalism, including fact-checking, which is growing around the world, empowering democracies and holding governments accountable.

A national, nonpartisan nonprofit group which provides resources and support to educators to help students learn to sort fact from fiction.

Research on quotes that are frequently misattributed - or - did that person really say that?

A host of websites, tips, articles & quizzes on fact-checking, from Poynter institute. International Fact-Checking Day is April 2.

From MedlinePlus

This guide from Johns Hopkins University includes more detail on how to identify misinformation and how to track down authority and currency of a website.

Reports on retractions of peer-reviewed scientific journal articles.

FactCheck.org’s SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy.

The SIFT method for finding reliable information on the COVID-19 coronavirus pandemic. Published in 2020, this article includes outdated information about verifying identity with the blue mark in Twitter. Twitter is now X and the blue mark is no longer reliable.