alt Hacker NewsAnd how exactly is that surprising?
If you wrote two essays, you have more 'cognitive engagement' on the clock as compared to the guy who wrote one essay.
In other news: If you've been lifting in the gym for a week, you have more physical engagement than the guy who just came in and lifted for the first time.
> And how exactly is that surprising?
Isn't the point of a lot of science to empirically demonstrate results which we'd otherwise take for granted as intuitive/obvious? Maybe in AI-literature-land everything published is supposed to be novel/surprising, but that doesn't encompass all of research, last I checked.