In this presentation, parents will learn that not all Applied Behavior Analysis (ABA) interventions are equal, especially when supporting children with autism who have or are expected to develop language skills. Traditional ABA techniques may focus primarily on observable behaviors, but recent advances in Relational Frame Theory (RFT) and Acceptance and Commitment Therapy (ACT) provide critical improvements by emphasizing the underlying relational and cognitive processes involved in language acquisition. By incorporating RFT, ABA interventions can more effectively teach flexible language and complex reasoning skills, while ACT strategies help children and families manage challenging emotions and behaviors through mindfulness, acceptance, and values-based approaches. Together, these modern ABA practices lead to more comprehensive, meaningful, and sustainable progress in language development and overall quality of life for children with autism.