Hi,
I use clicker training and I feel it is great. The clicker just marks the behaviour you want. You add the voice and/or the hand signal after the behaviour is learned. I find it is so easy, fun and quick! You can get a lot of information on it at
www.clickertraining.com With the clicker, you do not have to 'push' or make the puppy do the desired behaviour, you wait until they naturally are about to do it and click it. You will be amazed as to how quickly they pick up on what it is you want from them. Plus, it makes the dog think and try and figure out what you want and it becomes a game. For example, for potty training, when I see that my puppy is relieving him/herself where I want, I click while they are doing it and then give the treat and praise. If I catch them relieving themselves where I do NOT want them to, I don't click, so no treat. They catch on very quickly.
To teach come:
Sit on the floor and try to coax your dog over to you. When she comes, click and treat. (don't use the treats to coax them though)
Get up and more and try again, Click and treat. Repeat this several times.
Next, call the dog by his name when he is in another room. Do this at different times of the day. Click and treat when he comes to you. If the dog does not come, put the clicker and treats away and don't give the dog a second chance.
etc.
See it's easy and the dog learns very quickly. You can also do this with the help of other people etc.
Clickertraining came about from a dolphin trainer. They use whistles instead of clickers to teach dolphins what to do. It is very interesting.
Hope this helps a little. Check out the web site, it has a lot of info.