“The Project for Excellence in Journalism (PEJ) News Coverage Index, which will be released every Tuesday, is an ongoing study of the news agenda of a wide swath of the American press, measuring the topics covered in 48 different outlets from five sectors of the American media. (See a List of Outlets.) The Index is an attempt to provide an empirical look at what the media are and aren’t covering, the trajectories of major stories and differences among news platforms. We believe it is the largest continuing study of the media agenda ever attempted.”

, that “monitors the American television network’s weekday nightly newscasts.”