Another trick is to have someone you trust load the gun for you... with fewer rounds (and in random loading) than a full cylinder, and hand to you.
Shoot like you normally would and have the trusted friend watch you, or better yet, video tape it for your own review.
It will become quite apparent if your:
Originally Posted by JimPage
breath control, trigger squeeze, follow through (the most often overlooked part).
have any issues that require attention.
I taught my daughter to shoot with this method using a 1911 and dummy rounds. She can chew the 10 ring out of a B-8 target at 25yds all day long... which is more than I can say for myself these days.