How curious a puppy is often determines his intelligence and problem-solving ability. To determine this, place the puppy in the middle of an open area. Using a string tied around a large towel, swing the towel toward the ground a few feet away from the puppy and observe the puppy.
A confident, intelligent puppy will watch what you are doing and then attack or bite the towel. On the other hand, a shy or insecure, less intelligent puppy will run away and hide.
Most likely