This dogs usually understand new commands after less than 5 repetitions by the facts in the book The Intelligence of Dogs by Stanley Coren, a professor of psychology at the University of British Columbia in Vancouver.
Doberman Pinscher
Border Collie
Rottweiler
German Shepherd
Golden Retriever
Shetland Sheepdog
Labrador Retriever
Papillon
Poodle
Australian Cattle Dog
Doberman Pinscher
Doberman Pinscher
Border Collie
Border Collie
Rottweiler
Rottweiler
German Shepherd
German Shepherd
Golden Retriever
Golden Retriever
Shetland Sheepdog
Shetland Sheepdog
Labrador Retriever
Labrador Retriever
Papillon
Papillon
Poodle
Poodle
Australian Cattle Dog
Australian Cattle Dog