ABA is short for Applied Behavior Analysis. ABA breaks down complex tasks into small pieces and then individuals (usually children) are taught one small piece at a time. When a child is successful they get rewards. Over time, the therapist teaches more complex skills and with fewer rewards (ABA needs to be implemented with an ABA therapist). This intervention has been the study of a lot of research and is typically considered to be effective. We have several books on ABA in our library.