Introduction
Functional Communication Training (FCT) is an ABA strategy that teaches a child a specific communication behaviour, like pointing, using a picture card, or saying a word, to replace a challenging behaviour that serves the same purpose.
When a child with autism doesn't yet have a reliable way to express what they need, frustration often shows up as hitting, screaming, or self-injury. Functional Communication Training gives them a clear, functional way to communicate, and reduces the behaviors families find most stressful at home, in school, and in daycare settings.
How Functional Communication Training Works
FCT follows a simple, evidence-based 3-step process:
- Identify the function of the behavior. A Board Certified Behavior Analyst (BCBA) conducts a Functional Behavior Assessment (FBA) to determine
why the behavior is happening, to gain attention, escape a task, request an item, or meet a sensory need.
- Teach a replacement communication response. Your child learns an easier, socially appropriate skill that achieves the same outcome, handing over a PECS card, tapping an AAC device, signing "break," or saying a word like "help."
- Reinforce the new skill consistently. Each time your child uses the replacement behavior, they immediately get what they were asking for. The challenging behavior fades because the new communication works better.
FCT Examples From Our Sessions
In our Texas-based programs, we've seen FCT transform daily life for families. A few examples
- A 4-year-old in our
center-based program in
Houston, who hit caregivers during transitions, learned to hand over a "break" card. Aggression dropped significantly within weeks.
- A nonverbal 6-year-old in our
school-based ABA sessions in
Sienna began using a speech-generating device to request "more snack" instead of grabbing or crying.
- A child in our
home-based ABA program in
Galena Park learned to sign "all done" instead of throwing materials when finished with a task.
These small wins in replacing problem behavior with communication build the foundation for broader language growth and calmer routines.
Conclusion
Functional Communication Training in ABA gives children with autism a real voice, and gives families relief from behaviors that disrupt daily life. By identifying the function, teaching a replacement, and reinforcing it consistently, FCT helps children communicate their needs in ways that work for everyone involved.
The right strategy is powerful, but it works best with the right team behind it. Steady Strides ABA brings FCT-informed ABA therapy to families across Texas, pairing expert care with early intervention that meets your child where life actually happens.
Ready to help your child communicate? Contact us today!
Frequently Asked Questions
Does FCT work for nonverbal children?
Yes. FCT is highly effective for nonverbal and minimally verbal children because "communication" can be any modality, pictures (PECS), sign language, gestures, or AAC devices. The goal is functional communication, not speech specifically.
How long does FCT take to reduce problem behavior?
Many families see meaningful changes within a few weeks of consistent implementation, though timelines vary based on the child's age, the behavior's history, and how consistently caregivers reinforce the new skill across settings.
Can parents use FCT at home?
Absolutely. Through our parent training program, BCBAs teach caregivers how to prompt, model, and reinforce the replacement behavior so progress carries from therapy sessions into everyday routines.
SOURCES:
https://pmc.ncbi.nlm.nih.gov/articles/PMC2846575/
https://afirm.fpg.unc.edu/wp-content/uploads/Functional-Communication-Training-Brief-Packet-Griffin-AFIRM-Team-Updated-2025-1.pdf
https://asatonline.org/for-parents/learn-more-about-specific-treatments/applied-behavior-analysis-aba/aba-techniques/functional-communication-training-fct/
https://files.eric.ed.gov/fulltext/ED595334.pdf
https://www.appliedbehavioranalysisedu.org/how-is-functional-communication-training-used-in-applied-behavior-analysis/
