Getting Started in Obedience (AKC)
Why Train Your Dog?
“Dogs, by nature, are pack animals with a well-defined social order. As you and your family become your dog’s pack, your new dog will look to you — the leader of the pack — for guidance. Leadership can be established in a firm but friendly manner. Keep in mind that it is unrealistic to expect the dog to abide by the rules of the household without the leader teaching appropriate behavior!”
Read more at AKC.org