Training method choice profoundly affects dog welfare — positive reinforcement methods produce better outcomes with less suffering.
The choice of training method is a welfare decision. Dogs trained with punishment — shock, choke chains, alpha rolls — experience fear and pain that produces compliance through suppression of behavior rather than genuine learning. Positive reinforcement training, by contrast, creates enthusiastic learners who experience training as rewarding. The mounting scientific evidence for positive reinforcement superiority makes choosing aversive methods an ethical question, not merely a preference.