The American Temperament Test Society tests aggression in dog breeds in controlled environment. Participants self select, so there’s that, and ultimately I think the test says more about the owners than the dogs. Nonetheless, per the ATTS , the american pit bill terrier passed 87% of the time while the Australian shepherd only passed 83% of the time.
The American Temperament Test Society tests aggression in dog breeds in controlled environment. Participants self select, so there’s that, and ultimately I think the test says more about the owners than the dogs. Nonetheless, per the ATTS , the american pit bill terrier passed 87% of the time while the Australian shepherd only passed 83% of the time.