Are There Different Types of ABA Therapy?

Introduction

When a family first explores Applied Behavior Analysis (ABA) for their child, one of the first questions is often the simplest: Is ABA one thing, or are there several? It’s a fair question, and the short answer is that ABA isn’t a single, uniform treatment. There are different teaching methodologies inside ABA, and there are different service delivery models for where, when, and how that therapy actually happens.

Understanding the difference matters. The wrong fit can make therapy feel exhausting for a child and impractical for a family, while the right combination of method and setting can transform daily life. This guide walks through the main types of ABA therapy families, therapists, and educators are most likely to encounter, and how to think about which approach makes sense for a particular child.

ABA Methodologies: The Different Teaching Styles

All ABA therapies share the same scientific foundation, the principles of behavior analysis, with an emphasis on reinforcement, data collection, and individualized goals. What changes is how a Board Certified Behavior Analyst (BCBA) structures the teaching itself.

Discrete Trial Training (DTT)

DTT is the most structured form of ABA. A skill, say, identifying colors, is broken into small, clear steps and taught one at a time through repeated trials: a prompt, a response, and immediate reinforcement. DTT works well for foundational skills, especially for learners who benefit from predictability and clear expectations.

Natural Environment Teaching (NET)

NET uses everyday moments, snack time, play, getting dressed, as teaching opportunities. Instead of sitting at a table, a child might learn the word “ball” while actually rolling one back and forth with a therapist. NET often increases generalization, meaning skills carry over into real life more naturally.

Pivotal Response Treatment (PRT)

PRT focuses on “pivotal” areas like motivation, self-initiation, and responding to multiple cues. By targeting these core behaviors, gains often spread across many other skills without needing to teach each one individually.

Early Start Denver Model (ESDM)

ESDM is a play-based, developmental approach designed for very young children, typically between 12 and 48 months. It blends ABA principles with developmental psychology and embeds learning into shared, joyful interactions rather than structured drills.

Verbal Behavior (VB)

VB is grounded in B.F. Skinner’s analysis of language and focuses on the function of words, why we use them, rather than just labels. It’s especially useful for children developing functional communication, including those who are minimally verbal or beginning to use AAC devices.

Task Analysis and Chaining

For multi-step skills like handwashing, brushing teeth, or making a sandwich, a BCBA breaks the activity into a sequence of small steps. The learner is taught each step and “chained” together until the full routine is independent.

In practice, a strong ABA program rarely relies on just one of these. In our sessions, we frequently combine DTT for new skill acquisition, NET for generalization, and verbal behavior strategies for communication, all within the same week, sometimes the same hour.

ABA Service Delivery Models: The “Where” and “When”

The second way ABA varies is in how the service is actually delivered. The underlying methodology might be the same, but the setting changes the experience significantly for both the child and the family.

In-Home ABA Therapy

With in-home ABA, the therapist comes to the family’s house. Sessions take place where the child already feels comfortable, which lowers the barrier to engagement and lets the team target skills that matter most in the home environment, mealtime behaviors, sibling interactions, bedtime routines, and transitions in real time. For families managing siblings, work schedules, or transportation challenges, in-home ABA is often the most sustainable model.

Daycare-Based ABA

For children who already attend daycare, embedding ABA in that setting can be powerful. A therapist supports the child during the actual moments where social and communication skills are needed, circle time, snack, free play with peers. We’ve seen children make rapid gains in peer interaction when therapy happens in the same place where peer interaction naturally occurs, rather than being taught in isolation and then expected to transfer.

Weekend ABA

Many school-age children receive services during the week through their school or after-school programs, but weekend availability has historically been a gap. Weekend ABA gives families options when weekday hours don’t work, whether because of school schedules, parent work hours, or the simple fact that some children have more energy and patience on a Saturday morning than a Tuesday afternoon.

Early Intervention ABA

Research consistently shows that the earlier autism support begins, the greater the long-term impact. Early intervention ABA, usually for children under five, focuses on language, joint attention, play, social engagement, and early self-help skills. Programs at this age often look more like guided play than traditional therapy, which is intentional: young children learn best through interaction, not drills.

Parent Training

Parent training isn’t always thought of as a “type” of ABA, but it should be. A child spends far more hours with their family than with any therapist, and consistency across environments is one of the strongest predictors of progress. Parent training equips caregivers with the same tools the clinical team uses, how to prompt, how to reinforce, how to handle challenging behaviors, so progress doesn’t stop when the session ends.

Diagnostic Services

Before therapy can begin, a child often needs a formal diagnostic evaluation. Diagnostic services aren’t ABA therapy in themselves, but they’re a critical first step. A clear, accurate diagnosis informs everything that comes next, including which methodologies and delivery models will fit the child best, and is often required for insurance authorization.

How to Choose the Right Type of ABA

There’s no formula, but a few questions tend to guide the decision well:

• How old is the child? Younger children often benefit from play-based, naturalistic approaches and early intervention models. Older children may need a mix of structured teaching and skills work tied to school or daily life. 
• What does the family’s schedule look like? A two-working-parent household may find weekend or daycare-based ABA more workable than weekday in-home sessions. 
• What are the priority goals? Communication-focused goals often call for verbal behavior strategies and NET. Self-help and routine-building lean on task analysis. Social skills development frequently benefits from settings where peers are present. 
• Is there a current diagnosis and recent assessment? If not, diagnostic services come first.

A good BCBA will recommend a combination, not a single method, and adjust as the child progresses. One family we worked with recently started with intensive in-home ABA for a four-year-old, transitioned to a hybrid in-home and daycare model about six months in, and added structured parent training once the family felt ready to take on more of the day-to-day strategies themselves. The “type” of ABA they received changed three times in a year, and each change was driven by data and progress rather than a fixed plan.

What All Good ABA Has in Common

Whatever the methodology or setting, high-quality ABA shares a few non-negotiables: individualized goals based on assessment, ongoing data collection, regular BCBA supervision, an emphasis on reinforcement over punishment, and meaningful family involvement. If a program lacks any of these, the label “ABA” doesn’t change the fact that it isn’t being done well.

It’s also worth noting that modern ABA looks very different from older portrayals. Today’s practice is more naturalistic, more child-led, and far more focused on the learner’s quality of life and dignity than the rigid, compliance-heavy approaches sometimes referenced in older critiques. Families and educators evaluating providers should feel empowered to ask how a clinic balances structure with play, how progress is measured, and how the child’s preferences shape the program.

Conclusion

So, are there different types of ABA therapy? Yes, in two important senses. There are different methodologies, DTT, NET, PRT, ESDM, verbal behavior, and task analysis, that change how skills are taught. And there are different service delivery models, in-home, daycare-based, weekend, early intervention, and parent training, that change where and when therapy happens. Strong ABA programs blend several methodologies and may use more than one delivery model over time. The right fit depends on the child’s age, goals, family situation, and diagnostic profile, which is why working with an experienced BCBA from the outset makes such a difference.

Ready to Find the Right Fit for Your Child?

Admire ABA provides individualized ABA therapy for families across Maryland, including those in Baltimore, Montgomery County, and Anne Arundel County. Whether you’re exploring in-home ABA, weekend sessions, daycare-based support, or a diagnostic evaluation to get started, our team can help you understand the options and build a plan that fits your child and your family.

Learn which type of ABA therapy is right for your child. Contact us today!

Frequently Asked Questions

What is the most common type of ABA therapy?

There’s no single “most common” type. Most quality ABA programs combine methodologies. That said, Discrete Trial Training (DTT) and Natural Environment Teaching (NET) are two of the most widely used teaching styles, and in-home ABA is one of the most common delivery models for young children.

At what age should a child start ABA therapy?

Research supports starting as early as possible, often between ages two and five, because early intervention tends to produce the strongest long-term outcomes. That said, ABA can be effective at any age. Older children, teens, and even adults can benefit from individualized programs targeted to their goals.

How many hours of ABA therapy does a child need per week?

It varies based on the child’s needs and goals. Comprehensive programs for young children often run 20–40 hours per week, while focused programs targeting specific skills may run 10–20 hours. A BCBA assessment determines the appropriate number of hours and adjusts them over time as the child progresses.

SOURCES:

• https://www.yalemedicine.org/conditions/pivotal-response-treatment 
• https://www.autismspeaks.org/pivotal-response-treatment-prt 
• https://pmc.ncbi.nlm.nih.gov/articles/PMC5488784/ 
• https://www.autismparentingmagazine.com/autism-verbal-behavior-therapy/?srsltid=AfmBOoqXCn4hZEl-AI6Zn-d2Tp11OW2-_jaOWeKjwv6I6ONaNoEiKDv_ 
• https://www.researchgate.net/publication/380146338_APPLICATION_OF_VERBAL_BEHAVIOR_METHOD_ABA-VB_FOR_CHILDREN_WITH_SPEECH_DELAY_DISORDERS