I went from Jan to March, so I can give you a recent perspective. You will have 4 graded academic assignments: a 5-min brief, a 15 min brief, a 1-page bullet paper, and a 3-page position paper. On the non-academic side you will be evaluated on the Unnofficial AFPT Test (normal PFA without waist measurement), a 5k warrior run, and of course your overall performance within the flight as graded by your flight commander.
The people that got DG in our flight were the people who really busted their butts on everything and stayed late to help out in the flight room. They also excelled in the academic portion. I would say 75-80% of people at ASBC (myself included) don't care and don't really try for DG, so it is there for the taking if you want it.