Training methods significantly affect dog welfare. Understanding the evidence for force-free positive reinforcement training helps owners choose welfare-positive approaches.
Training method choice has direct welfare implications. Dogs trained with aversive methods — shock, pain, or fear — show higher rates of stress-related behaviour during and after training sessions. The fear and pain used to achieve compliance are not incidental side effects of effective training but fundamental welfare harms. The evidence that positive training achieves equivalent or better results for most dogs in most training contexts makes aversive methods both welfare-harmful and unnecessarily so. Positive reinforcement training, when done well, is itself a welfare-positive experience — dogs in good positive training programs show enthusiasm for training sessions, seek interaction with trainers, and display play behaviour that indicates positive emotional states. The shift from aversive to force-free training across the dog training industry has been substantial but is still incomplete.