Personality
The American Cocker Spaniel's temperament is typically joyful and trusting. The ideal Cocker temperament is merry, outgoing and eager to please everyone. They can be good with children and usually sociable and gentle with other pets. They tend to be soft dogs who do not do well with rough or harsh training.
Effects of Over Breeding
The popularity of the American Cocker Spaniel led to a considerable amount of irresponsible breeding in an attempt to keep up with the demand. The results have included fearful or aggressive behavior in some of the dogs, submissive urination, and resource guarding.
Responsible breeders have worked diligently to eliminate these negative characteristics while trying to educate the public regarding responsible breeding. The temperament of the American Cocker Spaniel should be a primary concern when breeding these dogs, and as with all puppies, owners are advised to choose their breeder carefully.