Measuring outside of stats
Coaches tend to think that they add value only by telling players what they are doing incorrectly and then correcting them. But it is equally important to point out when players are doing things correctly and to reinforce them, so players will continue to do them.
"Positive Charting" is a technique for recording positive efforts and plays made during practices or games. Your positive chart can simply list all of your players with space to note two or three of their specific positive acts.
The role of filling in the chart can rotate between your assistant coaches, your bench (if players are mature enough), and even parents. Reading the completed chart to your players to start the next practice never fails to fill tanks.