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Your Child's First ABA Session: How to Prepare Them, and Yourself

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By the Hope Center clinical team · Clinically reviewed by Aisha Albright-Jourdan, MSW, LCSW, BCBA · Updated October 20, 2026

The short answer

Your child's first ABA sessions focus on pairing: the therapist plays with your child using favorite activities, with few demands, so your child links them with fun and safety. Before day one, meet the team if you can, share an all-about-me sheet, prepare your child with a short, positive explanation, pack comfort and communication items, and expect some adjustment in the first week.

The insurance is approved, the schedule is set, and your child's first ABA session is coming up. Many parents feel relieved and nervous at the same time. A little preparation helps your child walk into something new with less worry, and helps you know what to watch for. This guide covers what usually happens in early sessions, what to tell the team, what to pack, how to talk with your child, and what the first week often looks like.

What happens in the first ABA sessions?

Early sessions are mostly about building a relationship, not about drills. Behavior analysts call this pairing: the therapist joins your child in things they already enjoy, such as bubbles, trains, music, tablets or chase games, so your child comes to link that person with fun and safety. Demands are kept very low at first.

During those first sessions the RBT, often with the BCBA, will also:

  • learn what your child likes, so those things can be used to make learning fun;
  • watch how your child communicates, including words, gestures, signs, pictures or a device;
  • notice what upsets your child and what helps them calm down;
  • start gently on simple goals from the treatment plan once your child is comfortable; and
  • begin collecting data, so progress can be measured from the start.

The BACB ethics code requires behavior analysts to explain procedures to you before using them (standard 2.08), to involve you in goals and progress monitoring (2.09), and to obtain your child's assent when applicable (2.11). So you should be able to ask "What will you be doing today, and why?" and get a clear answer.

Step 1: Can you meet the team before day one?

At Hope Center, families have the option to meet their assigned staff before services start. A short, relaxed visit lets your child see a new face without any pressure and lets you ask questions. If you are starting with another provider, ask whether they offer the same. Our guide on meeting your team before starting explains what to ask.

Step 2: What should you tell the team about your child?

You know your child better than anyone. A one-page "all about me" sheet saves the team weeks of guessing. Include:

  • Favorites: toys, shows, songs, foods (and any foods that are off limits), and activities.
  • Dislikes and triggers: sounds, textures, smells, being touched in certain ways, or changes in routine.
  • Communication: how your child says yes, no, "I need a break," "help" and "all done." Note any signs, words in other languages, or device settings.
  • Calming: what helps when your child is upset, such as quiet, deep pressure, a favorite song or space.
  • Health and safety: allergies, medicines, seizures, toileting needs, and any history of running off or putting things in the mouth.
  • Family details: names of siblings, pets and important people, and the words your family uses for things.
  • Your priorities: the one or two things that would make the biggest difference at home right now.

Step 3: How do you get your child ready?

Keep the explanation short, honest and positive. Use words or pictures your child understands. For example: "Tomorrow Ms. Ana is coming to play with you. She will bring toys, and you can show her your trains." For age-by-age scripts and a social story you can print, see how to explain ABA therapy to your child.

A few other ideas that help many children:

  • Show a photo of the therapist or the center, if you have one.
  • Add the session to your child's picture schedule, between familiar activities.
  • Keep the rest of the day predictable, and avoid stacking it with other new things.
  • Make sure your child has slept and eaten, as far as you can.

Step 4: What should you pack or set up?

First-session checklist (check your provider's own list too)
Center-based sessionsIn-home sessions
Snacks and a water bottle that fit the center's rules and your child's dietA small, clear space with few distractions, such as a corner of the living room or a table
A change of clothes, and diapers or pull-ups and wipes if neededA few favorite toys or activities ready to share
A comfort item, such as a blanket or small toyPets settled in another room if your child or the therapist needs that
Communication device, charged, plus glasses or hearing aidsCommunication device charged and within reach
Medicine information and emergency contactsA plan for siblings during the session
Any forms the office asked you to bringAn adult who will be home for the whole session

Step 5: What is your role on the first day?

Ask the BCBA ahead of time whether they would like you nearby, in the room, or out of sight for part of the session. There is no single right answer; it depends on your child and the goals. Many teams start with the parent close by and fade back as your child gets comfortable. At Hope Center, parents cannot stay to watch center sessions, because other children are there and only background-checked staff are allowed in client areas. For in-home sessions, a parent, guardian, aide or another responsible adult 18 or older must be home.

Try to stay calm and upbeat, even if your child protests. Keep goodbyes short and warm if you are leaving. Afterward, ask the RBT one or two simple questions: "What did they enjoy?" and "Was there anything hard?"

Parent involvement continues beyond day one. At Hope Center, parents are trained weekly, and goals and plans are discussed in those sessions.

What is typical in the first week, and when should you call?

Every child reacts differently. In the first week or two, it is common to see:

  • tears or clinging at the start, which usually ease as your child gets to know the therapist;
  • a child who watches quietly for a while before joining in;
  • tiredness or a harder evening after sessions, because new people and places take energy;
  • some testing of limits as your child learns what to expect; and
  • quick enthusiasm, with your child waiting at the door for the therapist.

When a child becomes upset, Hope Center staff use therapeutic calming and the least intrusive strategies, and do not use restraint. Call your BCBA or the office if:

  • your child's distress gets worse instead of better over the first couple of weeks;
  • your child seems afraid of the therapist or the setting;
  • you see something in a session that worries you; or
  • there is an injury, or new or more intense behavior at home.

You do not need to wait for a scheduled meeting. Parents can text or call their RBT, BCBA or the front desk.

An example of how the first month can look (illustrative only)

  1. Sessions 1 to 3: mostly play and pairing; the team learns your child's preferences.
  2. Week 2: short, easy learning moments mixed into play; first data collected.
  3. Weeks 3 and 4: more structured practice on treatment plan goals, at your child's pace; your parent training sessions are under way.

This is only an example. Your child's pace sets the timeline. For a longer view, read Hope Center's guide the ABA roadmap: the first 90 days.

Ready to start, or still deciding?

If you are just beginning, see Hope Center's new families page. In short, the steps from first call to first session are paperwork and intake, a free benefits check, an initial assessment of 2 to 4 hours at home or in the center, up to two weeks to write the plan, insurance approval, and then services, which usually begin 3 to 5 business days after approval. There is no waitlist. Call 561-337-8865 or request a free consultation.

Common questions

Should I stay in the room during my child's first ABA session?+

Ask the BCBA. Many teams start with a parent nearby and fade back as the child settles, but it depends on your child and the goals. Whatever the plan, you should be told what is happening and why, and you can ask how you will see the strategies used. At Hope Center, parents do not stay in center sessions, and a responsible adult 18 or older must be present for in-home sessions.

What if my child cries through the whole first session?+

It can happen, and it does not mean ABA will not work. Tell the BCBA, who may shorten sessions, add more play, or change the setting. If distress keeps getting worse over the first weeks, ask for a meeting to review the plan. See assent-based ABA.

How long are the first sessions?+

Session length is set in the treatment plan your insurer approved and varies by child. Some teams make early sessions shorter or more play-focused while the child adjusts. Ask your BCBA what the first two weeks will look like before you start.

Can siblings be around during in-home sessions?+

Often, yes, and siblings can sometimes join planned play. Some sessions need a quiet space, though, so ask the team what works. Hope Center's guide on helping siblings understand ABA has ideas.

This guide is general information for Florida families, not medical, legal or financial advice for your child. Laws, plan rules and program amounts change; check with your plan, the agency named, or a Florida attorney before you act.

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At Hope Center for Behavior Change our ABA programs are developed by Board Certified Behavior Analysts (BCBAs) and implemented by Registered Behavior Technicians.

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