animals March 5, 2020 11:22 am Your Dog Is a Good Dog. But Most Dogs Show Signs of Aggression, Study Says Is your dog a good boy or girl? Consider yourself lucky. A new study by researchers in Finland found that 72% of dogs showed problematic behavior like aggression. US & World Videos 0:53 Police in New Jersey wrangle runaway “ham-some” pig 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance