The Pew Research Center for the People & the Press
Polls, public opinion research, national surveys on public attitudes toward press, politics, public policy issues; funded by Pew Charitable Trusts. Pew Research Center tracks trends in values, political and social attitudes.
https://people-press.org/
Media Channel - Home
News, Media, Watchdogs - MediaChannel.org. Nonprofit site dedicated to the political, social, and cultural impacts of the media.
http://www.mediachannel.org