
Use
Stand in front of your dog.
Hold a treat right near your pet's nose, just out of his or her reach.
Slowly move the treat over your pup's head and toward his or her tail.
Say your dog's name, and give the command "Sit."
Keep the treat at nose level. If the treat is held too high, the dog will jump.
How to Train Your Dog to Sit Provided by eHow.com