Principle: The point of Reflection Intention Induced Lucid Dreams is to start a habit that will hopefully follow you into the dream.
Method: Do reality checking through out the day, asking yourself if this is a dream and actually meaning it. If it works, the habit will carry over into your dreaming life, and you test your reality in the dream and of course it proves to be a dream.
Do the reality checks any time you see your dream signs, and when you first wake up in the morning will especially help. Also, when a test proves negative, use it as an opportunity to practice visualisation. It's a good habit to practice at least once a day what it would be like to become lucid.
First imagine that you're in a dream.
Look around you and recognize one of your dream signs.
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Next imagine you have just realized that you are dreaming, and became lucid.
Then imagine yourself doing a reality check to be positive that you're dreaming.
Now visualize yourself doing your dream mission, maybe visualize yourself flying away.
Then when you're finished, tell yourself firmly "Next time I'm dreaming, I will remember to realize that I'm dreaming."
Reflection Intention Induced Lucid Dreams will also familiarises yourself with basic visualisation techniques, as you actually see the "dreamscape" around you. While some people have reported success with this method, success is probably limited, and it's great training to get going, when first attempting to lucid dream.