Well I went back and watched a bit of the RDI dvd this morning- and I think I have worked out WHY it doesn't work with children as severe as ds1.
It was the bit about referencing. Now funnily enough as Gustein was talking about referencing ds1 started to do his teasing pinching me. He was standing with his hand on my neck- looking straight into my eyes (not actually pinching me) and waiting for a response. In effect he was using me to see which way to go next. Now the problem is he doesn;t understand my response- he understands the words hands down, he understands the words no (and likes me to say them because he thinks its funny- if I don;t say them he'll start saying "ayown" (hands down) repeatedly. But if I get cross about something, or if I use a a stern voice, or a happy voice or whatever he doesn't uderstand that. He often checks out our response before doing things- usually he does it to see if we're going to shout or say no (all very funny), but he can't use it as a model or as an inctruction. We've often said one of the biggest problems we have with ds1 is letting him know when he's gone too far, because he just doesn't get it.
So it seems to me that asking a child like him to use me as a basis on which to base his behaviour and response, using me to model himself on- is like saying to an English speaking child "you must do exactly what that lady over there tells you do- exactly what she says" but the lady over there only speaks Chinese.
Monica- I would agree with that - but it depends what you are using it for. I'm using floortime only to extend ds1's playskills. He gets lots of teaching and therapy during the week, and we do do a bit of PECS in the time as well (so this morning we were doing shapes with boxes and chocolate buttons). For extending play I think it is good, stressfree (and I do use tangible rewards as well), so its a mix.
I have tried to ask these questions Saker, and I have followed the email groups and things for quite some time. I have yet to see someone using RDI successfully in a child like ds1. And the only response I've ever had is that it can be used with a non-verbal child, never how.
I will email connections though and ask about how you do RDI when your child doesn't actually accurately read anything that youur responses. He is good at sharing stuff with us (has just shown me a light, and earlier brought me some pictures of stairs), but I don't see how referencing can work if he can't understand our directions.