Originally Posted by Red-River

The emphasis on teaching a puppy right from wrong is to praise them for good behaviour and ignore the bad behaviour. If your puppy is doing something wrong then try and distract them with something else and then praise them for doing the right thing. Shouting at pups can make them nervous. There are only two words that I say in a "firm" voice, NO and LEAVE.
I never ever shout at a pup.