Most puppies do just fine if they are trained to focus, to perform simple obedience tasks for their owner while another dog is in the room. (gofetchboy.com)
I used it to train my Shelties for all kinds of obedience tasks, including recall and reducing fear (of children in Piper's case). (sheltieplanet.com)
A study by Rooney and Bradshaw showed that dogs performed better at obedience tasks after a play session with their handlers. (dogsnaturallymagazine.com)