The Scrum.org Professional Scrum Master I assessment is a 60 minute time boxed test where you answer 80 multiple choice type questions. The passing score is 85%.
Last time, for my PSD I certification, I studied all by myself.
This time, I participated in a 2 day crash course given by agile coach Pawel Mysliwiec of Pyxis. The course was in French. It was much better than studying alone. It was fun to meet like minded Scrum practitioners.
I took the test April 9, 2017 and passed. My Score was 74 points (or 92.5%)
I now have two pieces of scrum.org flair: