The method used to train dogs has significant welfare implications. Evidence consistently shows that positive reinforcement-based training produces better outcomes for dog welfare than aversive methods.
The scientific evidence on dog training methods strongly supports positive reinforcement as both more effective and significantly more humane than aversive approaches. Punishment-based training — including shock collars, alpha rolls, leash corrections, and choke chains — causes demonstrable welfare harm through fear, pain, and damaged human-dog relationships. The dogs trained with these methods may appear obedient, but they are complying through fear rather than confident, trusting engagement. Positive reinforcement training builds animals who work willingly because the interaction is enjoyable and predictable. The welfare difference between a dog who approaches training with enthusiasm and one who approaches it with anxiety is profound and daily.