Thanks all again for your suggestions.
Grinity - thanks for the book suggestion, I'd be interested to look at it. I'm a softly, softly catchy monkey kind of person, so I certainly wont go in guns blazing.
Shellymos, I love the idea of modelling to her too. I think that's a great idea.
JamieH - I'm a big believer in this approach too. I think that when you're especially sensitive to people's reactions but don't have any way of putting it in to context it can be quite unnerving, so I talk to dd a lot about people's behaviour and the possible reasons behind it.