[Deimorz]

The breakdown is here: http://www.pewinternet.org/2019/01/16/facebook-algorithms-an...

13% "Very accurately"

46% "Somewhat accurately"

22% "Not very accurately"

5% "Not at all accurately"

(and 3% Refused, 11% Not assigned categories)

[falcor84]

As someone who studied some formal logic and some psychology, I have to say that providing the "Not very accurately" option is both bad logic and bad research methodology.