Research on pet dogs confirms that dog aggressive dogs are no more likely to direct aggression toward people than dogs that aren't aggressive to other dogs. (aspca.org)
For example, sexually intact pet store dogs were three times as likely to have owner - directed aggression as were sexually intact dogs acquired from small breeders. (blogs.bestfriends.org)
When confronted with direct aggression, such as threats and rumor spreading, girls responded by blocking communication with their partner. (sciencedaily.com)