Basically the way I understand Andrea Arden is this.
Pick a simple behavior that you want to reinforce.
1. When the dog does the behavior reward the dog. Often.
2. After you are sure the dog will do the behavior without prompting then name it e.g. sit, lay, come etc.
3. Keep rewarding.
4. Taper off the reward by switching hands. Then random hands (even other people's hands). Then completely quit.
It is a simple system and it is definitely working for Preston thus far.