A 10-foot square area is perfectly adequate, such as a room in the house where the puppies have not been. ???The puppies are tested one at a time.???There are no other dogs or people, except the scorer and the tester, in the testing area.???The puppies do not know the tester.???The scorer is a disinterested third party and not the person interested in selling you a puppy.???The scorer is unobtrusi