While we’re thinking about the words we’re using, dogs are watching us for the same visual signals they use to communicate with each other. Wolves have been observed to use 45 different movements as they interact socially. So if you want your dog to respond to your spoken commands, focus on how you use your voice to motivate your dog.
“Focus on what you want your dog to do, not what you do not want your dog to do.” This is one of the most important concepts in positive learning, no matter what species you’re dealing with. To change any unwanted behavior, all you really need to do is prevent your dog from being rewarded for behaviors you don’t want him to do, and consistently and generously reward him for behaviors you do want him to do.