Or if you use a prong to make the dog behave and want to get rid of it.
a long, long time ago, in a galaxy far, far away. Someone, somewhere did experiment with reward intervals (how often a reward comes for a desired behavior) With pigeons. Now as sick is this sounds, They made an amazing discovery. They literally got pigeons to peck a lever that dispensed food on a schedule that increasingly dispensed less food, until the died from exhaustion.
Basically the theory is. For every correct response, the reward came one correct response later.
So what this looks like is.
You actually count out loud. you have your dog, on leash you take on step and count the step out loud. the leash is loose, you click (look up clicker training if you do not know how to do it) and reward. then you go to 2 steps before rewarding. then 3. then 4. Ever making the dog work more and more for a reward. if the dog should fail at any point, this is the threshold. start over at one. and repeat the process but stop one step before the dog failed last time. do this till you have an 80% success rate. then add a step. It will go slow at first. but once the dog catches on, they training will go faster and faster. Till the dog literally will go forever without a reward. I have done this with long downs, and heeling off leash...and the result has been flawless. I am going to try it in tracking.
I believe a dog's finest hour, the greatest fulfillment he holds dear, is when he has worked his heart out in a good cause and lies exhausted on the field of battle-with a ball in his mouth."