A project of the Annenberg Public Policy Center of the University of Pennsylvania, this nonpartisan, nonprofit seeks to "reduce the level of deception and confusion in U.S. Politics (FactCheck.org - About Us)."
"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..."
(4 videos, ~4 minutes each) Playlist of short videos introducing a method to evaluate the quality of information online using methods employed by fact-checkers.
An excellent guide to understanding, recognizing and avoiding fake news and misinformation online from UC Santa Barbara's Center for Information Technology and Society.
Fake News and Alternative Facts: Finding Accurate News
This guide for students, faculty, and staff investigates the phenomenon of fake news, and provides proactive strategies to help them recognize fake news, and identify accurate sources.