Stop guessing what to change in your practice

My coaching did not change because I found a better collection of drills. It changed because I learned to see practice differently. For a long time, I started with an activity and asked how I could deliver it more effectively. I thought better demonstrations, clearer instructions and more repetition would eventually solve the transfer problem. Now I start somewhere else. What problem is the player trying to solve? What information do they need to detect? What actions are available? What does...