animals March 5, 2020 8:22 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 1:45 Anaheim city council voting on Disneyland expansion 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 2:19 11-year-old celebrates teachers with appreciation snack cart 4:58 Luke Hemmings embraces childlike wonder in new album ‘boy' 1:19 Met Gala 2024 after party looks: Cardi B, Lana Del Rey, EmRata