New Study: How ABA and ESDM Therapy Impact Kids with Autism Over Time

As parents of children with autism, we're always looking for information about what therapies work best and what we can expect as our children grow. A new study published in Frontiers in Pediatrics (2025) offers some insights into the long-term effects of two popular interventions: Applied Behavior Analysis (ABA) and the Early Start Denver Model (ESDM).

What the Researchers Studied

Researchers wanted to understand how children with autism changed over time after receiving either ABA therapy or ESDM intervention. They followed a group of children diagnosed with autism for several years, tracking their progress in areas like communication, social skills, and adaptive behavior (things like self-care and daily living skills). The study compared the developmental trajectories of children receiving ABA to those receiving ESDM.

What They Found (In Plain Language)

The study found that both ABA and ESDM were associated with positive changes in children's development over time. Children in both groups showed improvements in communication, social skills, and adaptive behavior. While both therapies led to progress, the researchers noted some differences in the rate of improvement in specific areas. For example, one group may have shown more rapid gains in communication early on, while the other showed more consistent progress across all domains. However, the study did not definitively conclude that one therapy was "better" than the other overall.

Why This Matters for Autism Families

This research is encouraging because it reinforces that early intervention can make a real difference in the lives of children with autism. It also suggests that both ABA and ESDM can be effective approaches. This is important because families can work with their therapists and doctors to choose the intervention approach that best fits their child's individual needs and family preferences.

Practical Implications for Therapy, School, and Daily Life

Therapy: This study highlights the importance of ongoing monitoring and data collection during therapy. Therapists can use this information to adjust the intervention plan as needed to maximize the child's progress.
School: Understanding the potential benefits of both ABA and ESDM can help parents advocate for appropriate supports and services in their child's school.
Daily Life: The improvements in adaptive behavior observed in the study suggest that these therapies can help children become more independent in their daily routines. This can reduce stress for both the child and the family.

Important Limitations to Keep in Mind

It's important to remember that this is just one study, and like all research, it has limitations. The sample size was relatively small, which means the findings may not be generalizable to all children with autism. Also, this is an early study, so more research is needed to confirm these findings and explore the long-term outcomes of these interventions in more detail. It's also important to note that the specific implementation of ABA and ESDM can vary, which could influence the results.

The Bottom Line

This study provides further evidence that both ABA and ESDM can be valuable interventions for children with autism. While more research is needed, the findings suggest that both therapies can lead to positive changes in communication, social skills, and adaptive behavior over time. As always, it's crucial to work closely with your child's therapists and doctors to develop an individualized treatment plan that meets their unique needs.

You can read the original research paper here: https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1546001/full