Yes in a word they work whichever way you want them to. If you decide you don't want them to work and close your mind to their input then they'll work exactly as you expect. If you only expect them to help you a little then they only help a little and if you expect them to work brilliantly then yep they work brilliantly.
Believe it or not that goes for just about any self help tape available on the market... Even those with no reasonable quality still work for some people because they believe and expect them to.
If you're too busy doubting that the tapes will work then please... don't buy them till you're ready. Most of us you'll find had quite a few successes with the tapes 
Alex
[This message has been edited by AlexK (edited July 20, 2002).]
