What to Expect in Your First Month of ABA Therapy

Starting ABA Is a Big Step. Here's What Actually Happens.

If you have just signed on with an ABA provider — or you are trying to decide whether to — the unknowns can feel overwhelming. Most families have read enough online to know what ABA is supposed to do, but very few articles explain what the first month actually feels like, week by week. This is that article. There are predictable patterns to what works, what feels strange at first, and what to expect when.

Before Week One: Intake, Assessment, and Setup

Before direct therapy starts, your BCBA conducts a Functional Behavior Assessment (FBA). The FBA usually takes one to three sessions, depending on your child's age and how complex the picture is. Your BCBA will spend time observing your child in your home, asking you detailed questions, administering standardized assessments, and possibly doing structured play interactions. The point isn't to diagnose anything — your child already has an autism diagnosis — but to understand exactly how your child communicates, what motivates them, what skills are emerging, and what's getting in the way.

After the FBA, your BCBA writes a treatment plan that becomes your child's roadmap. The plan goes to your insurance for authorization. Once authorized, your BCBA will walk you through the plan in plain language — the goals, why each was chosen, and how progress will be measured. Push back if something doesn't feel right. The plan should reflect your family's priorities, not a generic template.

Week One: The Awkward Adjustment

Week one is almost always strange. A new adult is showing up at your house several times a week to play with your child on the floor. Your child may be excited, withdrawn, suspicious, or some combination. This is all normal.

What the RBT is doing in week one is mostly relationship-building. Before any meaningful teaching can happen, your child has to associate the RBT with positive things — fun, games, preferred activities, positive attention. ABA calls this "pairing." To you, it may look like the RBT is just playing. They are. That play is doing important work. Sessions are often short in week one and lengthen as your child adjusts. Some children settle in immediately; others take two to three weeks. Either is normal.

Week Two: Routines Start to Form

By the second week, your child generally knows what to expect when the RBT arrives. Sessions get a bit longer. The RBT begins introducing structured teaching opportunities — short, embedded into play, often invisible to anyone watching. The first goals targeted are typically the ones your child is closest to mastering already. This is intentional: building early momentum and successes matters. It's not "too easy" — it's strategically sequenced.

Your BCBA will likely conduct their first supervision visit during week two, observing the RBT, providing feedback, and adjusting the program. Expect your BCBA to be regularly present, not just an administrative figure.

Week Three: Parent Training Begins in Earnest

By week three, your BCBA typically schedules your first parent training session. This is one of the most important pieces of ABA, and many families underestimate it. Parent training isn't a lecture about your child's behavior — it's hands-on coaching, where your BCBA shows you how to use the same teaching strategies the RBT uses, so the gains your child makes during sessions generalize to the rest of life.

Most families feel awkward during the first few parent training sessions. You're being watched practicing techniques you've just learned. That's expected. The goal isn't perfection — it's giving you concrete tools you'll use the other 165 hours a week when an RBT isn't there.

Week Four: Patterns Emerge

By the end of the first month, you will likely notice small changes — not dramatic ones. Your child may be requesting things more clearly, tolerating activities they previously refused, or being more easily redirected when they get stuck. They may also seem tired (ABA is genuinely cognitively demanding for a child) and need extra rest.

Your BCBA will conduct a 30-day progress review at this point, showing you the data collected on each goal, identifying what's working, and adjusting the program. Some goals will be on track; others may need modification. This is normal and expected — programs evolve constantly.

What Surprises Most Families

How much it looks like play. Modern ABA, done well, looks dramatically different from the rigid drills depicted in older portrayals. Most teaching happens embedded in play, songs, snack time, and natural routines. If you're watching a session and wondering when the "real" therapy starts — it's happening right now.

How much your involvement matters. The most successful families treat ABA as a partnership rather than something that happens to their child. Parents who attend training sessions and use strategies between sessions see meaningfully better outcomes.

How emotional it gets. Watching your child make progress in long-challenging areas is moving. Some families also experience grief during the first month — for the years spent not knowing how to help. That's a normal response, and it usually softens as progress accumulates.

Red Flags to Watch For

Most ABA experiences are positive, but a few warning signs warrant a conversation with your provider: your child is consistently distressed and not adjusting after three to four weeks (initial reluctance is normal; ongoing distress is not); you have never met your BCBA in person or seen them supervise; you can't access progress data; or the goals don't reflect your family's priorities.

After the First Month

By the end of month one, most families have settled into a rhythm. The novelty has worn off, sessions feel routine, and your child has built rapport with their RBT. This is when the real, sustained work happens — and when the most meaningful gains start accumulating month over month.

Starting With Archways ABA

If you're a Missouri family considering in-home ABA therapy or in the early stages of intake, we know how overwhelming this process can feel. We move quickly, communicate clearly, and treat parents as partners from day one. Call (314) 668-2866 or request a free consultation. We respond within one business day.