Although I believe they have created this behavior by not disciplining Abbie at an earlier age, I agree that she should have been sent straight to bed when they got home. Remind her what she did and tell her why she's being punished. I realize you may not be able to 'tough love' a severely disabled child, but something has to be done.
I took note that P says on the drive home that "she knows" and something to the effect of dispite Abbies disability, she should not get away with being mean and violent. It made me wonder if P and A disagree on 2 key factors...1. Whether Abbie does understand what she's doing and is purposely mean. And 2. How to deal with her violence.
I have a feeling they are both on a different page which could be why A takes more responsibility with Abbie, to protect Abbie from P's anger and punishments. P may believe that Abbie is more aware of what she's doing and is more purposeful, while A tends to blame Abbie's disabilities on her behavior, believing she can't help it.
I agree. Tough love isn't really going to work on Abbie in the same way that it would for most kids. But, she can still be taught that if she engages in a certain behavior - then there will be certain consequences as a result. If they are consistent with that and do it every time, I think she'll get it.
It confused me when Asa was saying: "So then it's like, not going back in there is giving in but at the same time if we go back in, we're just reinforcing that behavior." I'm not sure I understand how going back into the restaurant would be reinforcing the behavior of Abbie being upset (and most likely not wanting to stay at the restaurant. Maybe I'm missing something. It seemed worse to get the food, take it back home, and then let her eat the restaurant food. That's pretty much what Abbie wanted to happen and she used aggressive behavior to get what she wanted. To me, that reinforces to her that she can do that kind of thing again in the future.
I also agree that P was reacting as if Abbie is more aware and understanding of the situation than she truly is. When she told Abbie she needs to communicate better/more. She was speaking as if Abbie has a very extensive repertoire of signs and options on her device that she could have used but didn't. Abbie is communicating with what she has available to her. Which is not a lot. Being so limited in her abilities and options to communicate - you're going to get an Abbie that gets very frustrated and upset and ends up lashing out. If you want her to (using the term) use her words - ie. communicate rather than getting violent/aggressive... then teach Abbie more signs and put more options on her tablet.
Strongly agree with the bolded portion.