“Recent psychological research shows that our memory for news is not as straightforward as we might think — and the reasons offer insight into how the mind works. … And the way you get the information matters, too. … What’s striking is that a person’s score is not best predicted by the amount of news they watch on TV, but whether or not they read a daily newspaper.”
Remembrance of News Past in the Sunday Review section of the NY Times.
I have to wonder if this result isn’t correlated with other factors.