Dobermans are known for being incredibly affectionate and good with children, and the American Kennel Club gives them the highest ranking available for trainability.
Perhaps no breed group is more maligned than the pit bull, which is a term used to encompass several bull terrier breeds and mixes.
With a silly name to match a silly face, it might be surprising to see this breed on the list. But the AKC gives them middling scores for being around children, other dogs and strangers.