Dogs & Positive Reinforcement:

Positive Reinforcement is a style of dog training that works through rewarding good or desired behaviors, rather than punishing bad or undesirable behaviors. It is considered the gold standard of dog training. 

For a good overview on positive reinforcement: https://positively.com/contributors/positive-method-dog-training-why-to-use-it-and-how-it-works/

Here is Seattle, this training standard is common. Ahimsa is one of the best: https://ahimsadogtraining.com