When a dog trainer sets criteria with a dog during a dog training session, and the dog performs the criteria, the trainer uses a marker word or clicker to signify that the criteria was complete. The word or sound is a bridge, which tells the dog that he was right and reinforcement is on the way. Some trainers say that the click ends the behavior. And that’s true, but there’s a but. The click ends the behavior, or the contract {Read More}