Introduction
I remember the first time a parent sat across from me, eyes full of worry, and asked, "Why isn't this working?"
It's a hard question, and one that deserves a real answer, not a clinical reassurance, and not a list of things they should be doing differently. The truth is that when ABA isn't working, it's rarely the parents' fault. It's usually one of three things: the program needs adjusting, the provider isn't the right one, or ABA therapy on its own isn't the right primary support for that particular child. None of those reflects on you.
As a BCBA who's worked with a lot of families in this exact spot, I want to walk through how to tell them apart and what to do about each one.
First, A Few Things This Isn't About
Before anything else: if you're reading this because something feels off about your child's therapy, that instinct is information. Parents notice when a child is dysregulated, withdrawn, or losing skills well before any clinical data picks it up. You don't need to second-guess that.
This also isn't about you needing to "do more." If a clinician is implying that the lack of progress is because you aren't following through enough at home, that itself is a signal worth examining. Quality ABA programs build family involvement into the design. They don't outsource the work to you and call it the reason therapy isn't working.
And it isn't about your child being "difficult" or "resistant." If sessions are consistently met with distress, refusal, or shutdown, that's the child communicating something. The program should be reading and responding to that, not pushing through it.
What Might Actually Be Going On
There are several reasons ABA therapy may not seem to be working, and they sort into a few buckets that have very different solutions.
The program needs adjustment. Goals may be too broad, too narrow, or no longer matched to what your child needs. The teaching style may not fit how your child learns. Skills may appear in session but not generalize to real life. The reinforcement strategies may have stopped being motivating. These are normal. Children change, and good programs change with them.
The provider isn't delivering quality care. This is the harder possibility, and the one most provider blogs quietly skip. Signs include: inconsistent or undertrained behavior technicians; a BCBA who rarely observes sessions or seems disengaged when you raise concerns; goals that don't change for months; data you can't see or that doesn't match what you're observing at home; pressure to "trust the process" without explanation; or sessions that feel rigid, punitive, or compliance-focused. None of this is fixable by you working harder. It's a provider problem.
The emotional or sensory load is too high. If your child is overwhelmed, anxious, or in sensory overload, no teaching method will land. Watch for frequent meltdowns before sessions, avoidance behaviors increasing, or regression in sleep, eating, or other areas. A capable team will spot this and adjust, including reducing session intensity or pausing therapy altogether if needed. If that's not happening, see the previous bucket.
ABA may not be the right primary support for this child right now. This is the possibility most ABA providers won't put in writing, but it's real. Some children make stronger gains with speech therapy, occupational therapy, DIR/Floortime, or a different combination of supports. Sometimes alongside reduced ABA, sometimes instead of it. Choosing differently isn't quitting.
What to Do, Depending on Which It Is
If you suspect the program needs adjusting, the conversation with your BCBA should be specific. Ask: Are these still the right goals? What does the data actually show? How are we measuring success in a way that matches what we see at home? You can also ask whether they'd consider trying a less structured, more naturalistic approach for a defined period to see if your child responds differently. A good BCBA welcomes that conversation. (For more on how progress is actually measured in ABA, our separate guide walks through it.)
If you suspect the provider is the issue, you don't owe them more chances than feels right. Red flags worth taking seriously: a BCBA whose caseload seems too large to give your child real attention (which is why BCBA caseload size matters); turnover in behavior technicians; defensiveness when you ask questions; or a sense that your concerns are being managed rather than heard. Switching providers is not a failure. It's care.
If you suspect emotional or sensory load, advocate for a lower-intensity schedule, more breaks, sensory accommodations, or a temporary pause. A team that resists any of this without a clear clinical reason is telling you something.
If you suspect
ABA isn't the right fit right now, it's worth getting an outside opinion from a developmental pediatrician, a speech-language pathologist, an OT, or another BCBA not affiliated with your current provider. Other approaches like speech therapy, OT, or DIR/Floortime can sometimes work better as the primary support, with ABA reduced to a smaller targeted role or set aside.
Trusting Your Gut Is Not Drastic
A lot of parents tell me they waited months longer than they should have because they didn't want to seem reactive, or they worried they were misreading things. They almost never were. If your child is more withdrawn, more dysregulated, or losing ground after months of therapy, that's not impatience on your part. It's the system not working.
You don't need to have all the answers before raising concerns. You don't need to wait for a provider to validate your worry. And you don't need to start over from scratch. Sometimes the fix is small, sometimes it's bigger, but the right next step almost always becomes clear once you say the thing out loud.
Conclusion
If your gut is telling you something isn't working, trust it. You're not being dramatic, and you're not failing your child by questioning the program.
At Steady Strides ABA, we work with families who come to us after another provider didn't fit, and our first job in those cases is listening, not selling.
If you'd like a second opinion or a conversation about what might actually help your child right now, reach out. No pressure either way.
Frequently Asked Questions
What are the signs that ABA therapy isn't working for my child?
A few patterns are worth paying attention to: months without measurable progress on goals; sessions that consistently feel stressful or punitive rather than engaging; increased meltdowns, avoidance, or regression in sleep, eating, or behavior outside of sessions; a child who seems more shut down or anxious than they were before starting; or skills that appear in session but never show up at home or school. Any one of these can have a fixable explanation. Several at once usually means something needs to change, in the program, the provider, or the overall approach.
How long should ABA therapy take before I see progress?
Some children show small gains within weeks for narrowly defined skills, but broader changes typically take three to six months of consistent therapy to become visible, and meaningful generalization to home and community takes longer. That said, "give it more time" is not always the right answer, if six months in you genuinely cannot point to any progress, and your BCBA can't either, that's not patience, that's stagnation. Quality programs set measurable goals with realistic timelines you can verify, not vague promises that things will click eventually.
Should I switch ABA providers if I'm not seeing progress?
It depends on what you've already tried. If you've raised specific concerns and the provider has engaged with them genuinely, adjusting goals, changing approaches, addressing your child's distress, give the changes a reasonable window. If concerns are dismissed, deflected, or met with "trust the process" answers, switching is reasonable and often the right call. Other reasons to switch include high technician turnover, a BCBA who rarely observes sessions, or a clinic culture that feels compliance-focused rather than child-centered. Switching providers isn't quitting therapy. It's choosing a better delivery of it.
Could my child just not be a good fit for ABA?
It's possible, and it's an honest question to ask. Some children make stronger gains with speech therapy, occupational therapy, DIR/Floortime, or developmental approaches, either instead of ABA or alongside a reduced ABA schedule. Fit isn't always something you can predict from the start; it sometimes only becomes clear after several months. A trustworthy BCBA will tell you honestly if they don't think ABA is the most useful primary support for your child right now, and will help you think through alternatives. A provider that insists ABA is always the answer regardless of response is worth being cautious about.
Is it normal for progress to stall or for my child to regress during ABA?
Plateaus are common and don't automatically mean something is wrong, children develop in bursts and pauses, and skill consolidation often looks like stagnation from the outside. Brief regressions can also happen around developmental transitions, illness, family stress, or environmental changes. What's not normal is sustained regression that lasts months, regression that appears alongside increased distress about therapy specifically, or a pattern where your child loses skills they previously had reliably. Those warrant a serious conversation, and possibly an outside opinion if your current team isn't taking them seriously.
When should I stop ABA therapy altogether?
There's no universal answer, but reasonable stopping points include: your child has met their meaningful goals and continued therapy would be maintenance rather than growth; therapy is consistently causing more distress than benefit and adjustments haven't helped; you and your child's broader care team agree a different primary support would serve them better; or you've lost trust in the quality of care being delivered and switching providers isn't a workable option. Stopping or pausing ABA isn't giving up on your child, it's making a clear-eyed decision about what helps and what doesn't.
SOURCES:
https://autism.org/learning-styles-autism/}
https://www.autismparentingmagazine.com/best-curriculum-for-your-child-with-autism/
https://pmc.ncbi.nlm.nih.gov/articles/PMC11487924/
https://www.richtmann.org/journal/index.php/jesr/article/view/12943
https://www.appliedbehavioranalysisedu.org/2023/12/future-of-applied-behavior-analysis-aba-new-research-areas-and-findings/
https://www.sciencedirect.com/science/article/abs/pii/S088303551630057X
