How a Norwegian comment section turned chaos into order–with a simple quiz

TL;DR Comment permission is granted after solving a quiz about article content.

The statement related to how NRKbeta isn't sure how ad-hoc quiz questions are best constructed, was vague.

From the comment section to the article:

"The whole point of this is increasing the barrier to entry. For legit readers, the barrier is low: it's asking questions about the article they just read. For trolls, the barrier is much higher, they have to go back and read the article. So, while not perfect, is a pretty clever solution to making it much harder for the undesirables than it is for your regular readers."