You get home from a long day at work and your affectionate canine sprints towards you with his tail wagging and his big adorable eyes looking up at you. Almost subconsciously your voice goes up a few octaves as you say "Hey, cutie! Who's my good boy?!" ...you know the voice. But does your pup recognize or even like your baby talk? If your dog is still a puppy, that's a resounding yes.
Related: Does Your Dog Understand You?