Good article and it says what many of us have known for a long time. Makes me glad I have used reward for good behavior based methods. Plus, it's a whol lot more fun to give the a treat and they know they have done something good!
.” Several confrontational methods such as “hit or kick dog for undesirable behavior” (43 percent), “growl at dog” (41 percent), “physically force the release of an item from a dog's mouth” (39 percent), “alpha roll”physically -- rolling the dog onto its back and holding it (31 percent), “stare at or stare down” (30 percent), “dominance down” —- physically forcing the dog down onto its side (29 percent) and “grab dog by jowls and shake” (26 percent) elicited an aggressive response from at least 25 percent of the dogs on which they were attempted.
And i just thinking that tose american Labrador people look like their dogs!
But comming back on the agression 'thing' .. Let's see what's agression .. Just unwanted behaviour by humans, if you take a better look at the dogs who are showing this, it is just in most cases normal dog behaviour