Before a therapist implements applied behavior analysis techniques to a kid, the therapist would first analyze what is wrong with the child. The type of technique that they would do would depend on a variety of factors including the age of the kid. The therapist is expected to monitor the progress of the child very carefully. There are a lot of things that APA can address including eating disorders and anger issues. The end goal would certainly to have the kid to be more focused at school and not have much instances to get in a bad mood at the wrong times. Of course, the kid would need to cooperate with the therapist in order to accomplish the end goal.
There are plenty of factors that would affect the cost of applied behavior analysis techniques. One of them is the therapist that you would hire as a more experienced one would certainly cost more. Of course, that would certainly be alright as long as you will feel confident of achieving the goal in a short amount of time. Those who are not certified would most likely provide cheaper rates but it is not really recommended to go through those people as it would be better to go for certified therapists in order to get good results.
Believe it or not, ABA can be done at home or wherever you may be. Besides, all you need is a portable device where you can video call with the therapist and Internet connection. When your kid's pediatrician feels that your child needs applied behavior analysis techniques then this can be the same person who can give you a bunch of referrals regarding the therapist that you can hire. There is no doubt the doctor knows a lot of highly capable people who can deliver great results.