An expectant marker in Play+ is a signal, either a cue or a positive marker, used by the handler during training to create a sense of expectancy or anticipation in the dog. It indicates to the dog that a desired behavior has been correctly performed and that the next opportunity for play or reward is imminent. This builds a bridge between the dog’s action and the forthcoming reward, while also maintaining the handler’s initiative in the training process. Expectant markers create a rhythm in training and foster engagement by keeping the dog in a state of heightened readiness and focus.