Speaking assertively training course

Just imagine you can speak with a quiet power people find hard to resist even though it's totally unthreatening.  How do you do it?   You've learned the secret of speaking assertively.

You can learn to do this on our widely acclaimed UK London management training course, "Skills with People".  You'll learn the difference between being assertive  and being aggressive, and you'll be surprised how much authority speaking assertively gives you, no matter who you're dealing with.

But how can you be sure this training in speaking assertively is for you?