The first move: table test method 1, will be a soft cushion on a suitable height of the table 2, the front of the table with something to prevent the dog can not see the table below! It's crucial! 3, in the case of the dog can not see the table, in front of the dog's face will be dog food (or jerky and other things of interest to the dog) from the height of the cushion thrown to the table, the dog will do? Test Result: A. When the dog sees the dog food missing from the owner's hand, the dog thinks that the dog food has fallen under the table and goes under the table to look for the dog food ~ B. The dog woofs and barks at the top of the table because it knows that the dog food is actually still on the table! Some dogs, when they see that the dog food is missing, pounce right on the table top to eat the dog food! B is a smart dog! The second trick: couch test method 1, the dog loves to eat jerky tied to a thick rope 2, in front of the dog jerky into the sofa under the gap, must be the dog can see but not easy to get the place, the rope head left out, the dog how to do it? Result: A. The dog tries to reach under the sofa with his paw to pull out the jerky, but ignores the rope ~ B. The dog pulls out and sees the rope moving along with the jerky, so he starts pulling on the rope! Choice B is the smart dog! The third move: chair test method 1, the two reclining chairs on the ground upside down sideways, only the backs of the chairs together, but to leave a gap 2, bring the dog to the backs of the chairs together 3, let the dog stand on the outside of the backs of the chairs, the owner stood on the backs of the chairs in the position, so that the dog can see you from the seam, and then put the jerky on the ground to see how your dog to come to take away the jerky! Test results: A, the big dog directly across the back of the chair to jump in to eat (shortcut) B, the small dog from the gap looking at the jerky anxious to jump in anxiously around the spot ~ C, around the chair, from the other end of the two chairs to go in! Choice C is a highly intelligent dog!