There’s generally two camps when it comes to training: the positive-only camp and the aversive camp. Positive-only trainers eschew any use of punishment and use rewards to motivate, reward and shape behaviors. The aversive camp, in an overly simple explanation, tends to shape behaviors by punishing, in one form or another, the wrong behaviors – which doesn’t necessarily preclude rewarding proper behaviors. This is simple carrot-and-stick training: do this correctly, get a treat; do that incorrectly get punished.
Chad Culp, a certified dog trainer in California, does a great job outlining the carrot-and-stick approach to training. However, he takes it further and discusses a study done with human children (you can read it here http://www.thrivingcanine.com/beyond_carrots_sticks). The basic premise being that continual rewarding reduces, even destroys, intrinsic motivation (which is very interesting) – the child, or dog, no longer wants to work for the pure joy of it; they hold out for a reward. This has been one knock from the aversive side of the aisle: that sooner or later that cookie isn’t enough of a reward to counter the desire to carry out the undesirable act.
The knock on aversive training is that it can destroy ...