This is some very fancy footwork to leave out some key information. The study found that those watching only Fox News and MSNBC answered worse than people who watch no news programs at all. As far as I can tell, this latter group doesn't exclude people who read newspapers, blogs, political websites, etc. Meanwhile, all of the viewers of other programs/networks (NPR, Daily Show, CNN, etc.) score higher than average, so saying "often less knowledgable" kind of buries the lede if you ask me, which is that some "partisan" viewers are in fact, much more informed than others. Also, since the quiz the survey participants answered was split into domestic and international topics, FOX is the only network whose viewers consistently failed both on exceeding the average number of correct questions than achieved by "no news" viewers—MSNBC at least seems to be informing their viewers on domestic issues better than that baseline.
I read Ann Landers and the comics
And know as much as the people of the left and the right
Some days it feels that way, even with things as urgent as they seem today in the US.
The difference is only about 5% to the "no news" crowd. Also, people that are better-educated tend to lean liberal and therefore might prefer to consume liberal outlets, but that doesn't mean liberal outlets are better at informing people. Looking at the frontpage of MSNBC, it's almost exclusively political opinion pieces centered around the US.
Moreover, the key question is not whether you're being informed better by consuming this media, but whether it is worth risking some of your well-being by consuming it. Research has found that media that is upsetting is the most addictive. People with addictions make up all kinds of rationalizations on how their addiction has upsides. The idea that you've been wasting time consuming ultimately useless information that irritates you - it's not very attractive.
Do you have a source on this?
Do you have any source for tjat research? (Not doubting you, just curious.)
Then you can fill in the blanks faster and don't need quite as much spoon feeding
better educated, or indoctrinated?