How to implement discrete trial training at home

Bringing Effective Autism Therapy Home: A Guide to Discrete Trial Training

November 24, 2025

How to implement discrete trial training at home

Understanding Discrete Trial Training in the Home Setting

Discrete Trial Training (DTT) is a structured, evidence-based therapy method rooted in Applied Behavior Analysis (ABA) principles, widely used to support children on the autism spectrum. This approach breaks down complex behaviors into smaller, manageable steps and uses repetition and reinforcement to promote learning. Implementing DTT at home allows parents and caregivers to actively participate in their child's developmental journey, reinforcing skills in a familiar environment. This article outlines how to effectively apply DTT in a home setting, blending professional strategies with practical guidance.

What Is Applied Behavior Analysis (ABA) Therapy?

Definition and Principles of ABA

Applied Behavior Analysis (ABA) therapy is an evidence-based approach focused on understanding and modifying behavior by analyzing the relationship between antecedents, behaviors, and consequences. Its goal is to increase positive behaviors such as communication and social skills while reducing undesirable behaviors. ABA helps individuals, especially those with autism spectrum disorder (ASD), improve various functional abilities through systematic and personalized interventions.

Key Elements: Antecedent, Behavior, Consequence

ABA is structured around the ABCs: Antecedent (the cue or instruction given), Behavior (the individual's response), and Consequence (the outcome that influences future behavior). By carefully controlling these components, therapists promote learning in a clear, predictable way. For instance, clear cues are given, correct responses are reinforced with rewards, and data is collected to monitor progress.

ABA’s Role in Autism Therapy

ABA therapy is one of the most effective treatments for children and adults with ASD. It breaks down complex skills into smaller, manageable steps for easier learning. ABA techniques support a range of developmental areas including communication, social skills, self-care, and academic abilities. Importantly, ABA programs are often tailored to individual needs and emphasize generalization so that skills learned transfer to everyday settings.

Techniques Including Prompting and Reinforcement

ABA interventions rely on tools like prompting to guide correct responses and positive reinforcement to encourage skill acquisition. Prompts can be gradually faded as the learner gains independence. Consistent repetition and clear feedback help children grasp new skills, while continuous data collection allows for adjustments based on each learner’s progress.

Delivery Methods: DTT, PRT, ESDM

ABA therapy can be delivered through various methods. Discrete Trial Training (DTT) involves structured, one-on-one teaching sessions with repeated trials. Pivotal Response Treatment (PRT) focuses on motivation and child-led learning in natural environments, and the Early Start Denver Model (ESDM) combines ABA principles with developmental approaches for young children. Each method offers a different balance between structure and naturalistic experiences but shares the core ABA principles.

How ABA Therapy Benefits Individuals with Autism

Enhancing Communication and Social Skills

ABA therapy, particularly through methods like Discrete Trial Training (DTT), targets foundational skills such as communication and social interactions. Breaking down complex behaviors into achievable steps enables learners to acquire new responses through repetition and reinforcement. This systematic approach fosters improvements in requesting items, engaging in social routines, and developing joint attention.

Increasing Adaptive Behaviors

By reinforcing positive behaviors and teaching self-care and academic skills, ABA programs increase adaptive behaviors essential for daily living. The consistent use of clear cues, prompts, and rewards supports learners in mastering independent tasks, such as asking for help or completing assignments.

Role of Early and Intensive Intervention

Early and intensive ABA intervention, often incorporating several hours of one-on-one sessions per day, can dramatically enhance developmental outcomes. Starting therapy at a young age capitalizes on brain plasticity, facilitating language development and reducing maladaptive behaviors. This intensive approach is tailored to each child and often combined with other therapies like speech and occupational therapy to provide comprehensive support.

Tailoring Interventions to Individual Needs

ABA therapy programs are highly individualized. Practitioners select appropriate reinforcers, customize prompts, and adjust lesson materials and routines to meet each learner's strengths and challenges. Regular data collection and progress monitoring enable adjustments that optimize effectiveness and promote skill generalization to natural settings.

Improving Overall Quality of Life

Through targeted skill-building and behavior management, ABA contributes to increased independence and better social integration. As learners acquire communication and adaptive skills, they gain greater autonomy and confidence, improving participation in home, school, and community environments. This holistic improvement positively influences long-term quality of life for individuals with autism and their families.

Core Components of Discrete Trial Training (DTT)

What Are the Principles Behind DTT?

Discrete Trial Training (DTT) is grounded in the principles of Applied Behavior Analysis (ABA). This method uses behavioral science concepts to break down learning into manageable, clearly defined steps.

How Does DTT Break Down Behaviors?

In DTT, complex behaviors are divided into small, discrete components. These steps are taught sequentially and repeated using structured teaching trials, a process often referred to as "chaining."

What Is the Structure of a DTT Trial?

Each DTT trial consists of five parts:

Antecedent (cue): A clear instruction or prompt is given to the learner.
Prompt: Support is provided to ensure the correct response, which can be faded as mastery is achieved.
Response: The learner's behavior or answer following the antecedent.
Consequence: Immediate feedback is given, such as positive reinforcement for a correct response or correction for errors.
Interval: A brief pause occurs between trials to collect data and prepare for the next trial.

How Do Reinforcement and Prompts Work?

Reinforcement, typically positive (praise, rewards), strengthens desired behaviors by encouraging repetition. Prompts are used to help learners perform a correct response at first and are gradually withdrawn to promote independence.

Why Is Data Collection Important?

Data collection during the interval between trials enables practitioners to monitor progress closely. It informs decisions on modifying teaching strategies, ensuring the program meets the learner’s changing needs.

These core components together make DTT a systematic, structured, and measurable approach to teaching new skills effectively, especially in children with autism spectrum disorder.

Planning and Preparing for DTT at Home

Conducting Task Analyses

Planning Discrete Trial Training (DTT) at home begins with conducting a task analysis, which breaks down complex skills into small, manageable steps called learning trials. This helps you teach behaviors sequentially and clearly, making it easier for the child to understand and learn each component.

Creating Lesson Materials

Next, prepare targeted lesson materials that support each discrete trial. These materials should be tailored to the child's needs and the particular skill being taught, ensuring engagement and relevance. Visual supports or real objects often enhance learning during trials.

Selecting Reinforcers

Choosing the right reinforcers is crucial. Reinforcers can include praise, preferred toys, or small edible rewards that motivate the child. Positive reinforcement strengthens the connection between the correct response and the reward, encouraging skill acquisition.

Designing Data Collection Systems

To monitor progress effectively, design a simple data collection system. Recording correct and incorrect responses after each trial helps track skill development and informs necessary adjustments to the training plan.

Establishing a Distraction-Free Learning Environment

Finally, create a distraction-free environment at home. Set up a quiet space with minimal stimuli, establish routines, and use visual supports to sustain attention. This environment helps the child focus and maximizes the effectiveness of DTT sessions.

Successfully combining these planning elements lays a strong foundation for effective DTT implementation at home, promoting skill learning and positive outcomes for children on the autism spectrum.

Implementing DTT Trials: Step-by-Step Guide

Step-by-Step: How to Effectively Implement DTT Trials at Home

Delivering the Antecedent Cue

The first step in discrete trial training is presenting an antecedent, often a clear and simple instruction or cue. This sets the stage for the child to respond correctly. The cue should be direct and consistent, minimizing distractions to help the child focus.

Using Prompts Effectively

When teaching new skills, prompts can guide the child toward the correct response. These might include verbal hints, physical guidance, or visual aids. It’s important to fade prompts gradually to encourage independent responses over time.

Recording the Child's Response

After the antecedent and any prompts, observe and document the child’s response carefully. Accurate data collection during this phase is essential for tracking progress and informing adjustments to the teaching plan.

Providing Immediate Reinforcement or Correction

Following the child's response, deliver immediate consequences. Correct responses receive positive reinforcement, such as praise or tangible rewards, to strengthen the learned behavior. Incorrect responses may be met with gentle correction or additional prompting to guide learning.

Allowing Interval Between Trials for Data Collection

Between trials, allow a brief pause to record data about the child's performance. This interval also gives the child a moment to process before the next cue. Collecting consistent data ensures the program can be modified as needed to better support learning.

By following these structured steps in delivering DTT trials, educators and therapists can create a focused and supportive learning environment that promotes skill acquisition and mastery for children with autism.

Using Prompts and Reinforcers to Encourage Learning

Types of prompts and fading techniques

In Discrete Trial Training (DTT), prompts are vital tools used to elicit correct responses from learners. These prompts may include verbal cues, gestural directions, physical guidance, or visual aids. To promote independence, prompt fading is systematically employed—gradually reducing assistance so the child responds without help. Techniques such as stimulus fading help learners discriminate among cues and transfer skills.

Positive reinforcement strategies

Positive reinforcement is central to DTT, encouraging repeated correct behaviors by rewarding responses immediately. Common reinforcers include praise, tokens, preferred toys, or snacks. This reinforcement strengthens learning by making the correct behavior more likely to occur again. Consistent reinforcement following the child's accurate response helps solidify skills effectively.

Avoiding aversive methods

While early implementations of DTT included aversive techniques, modern practice strictly prioritizes positive reinforcement strategies. The current approach avoids punishments or corrections that could induce distress, focusing instead on motivating the learner through encouragement and rewards.

Customizing reinforcers based on child's preferences

Each child's motivators differ, so selecting reinforcers tailored to individual preferences is crucial. Assessing what the child finds most engaging—whether specific toys, activities, or social praise—ensures reinforcement remains meaningful and effective. Adaptable reinforcers help maintain high enthusiasm for learning.

Maintaining motivation throughout sessions

Maintaining motivation over often lengthy sessions requires strategic use of varied reinforcers and incorporating preferred activities. Creating a supportive environment with routines and visual supports enhances engagement. By continually adjusting prompts and reinforcers and keeping sessions interactive, therapists sustain the learner's interest and promote consistent progress.

Data Collection and Progress Monitoring in Home DTT

Importance of data for adjusting programs

Data collection is a fundamental component of Discrete Trial Training (DTT), especially in home settings. It allows caregivers and therapists to track a child's learning progress and identify areas requiring adjustment. Accurate data informs decisions on how to modify teaching strategies, ensuring the program meets the learner's evolving needs.

Methods for recording responses

In home-based DTT, data can be recorded in several ways. Simple checklists or tally sheets note correct vs. incorrect responses during trials. More detailed data collection involves recording the level of prompting needed or response latency. Some practitioners use digital apps designed to track behaviors, making data collection easier and more precise.

Using data to evaluate effectiveness

Collected data is reviewed regularly to evaluate the effectiveness of interventions. Consistent progress in targeted skills indicates successful teaching methods. Conversely, stagnation or regression signals a need to revise prompts, reinforcers, or trial structures. This ongoing evaluation ensures the DTT program remains responsive and effective.

Modifying techniques based on results

Data-driven decision-making enables modifying trial components such as the type or level of prompts used, the reinforcement strategy, or the complexity of tasks within the program. For example, if a child masters a specific response quickly, trials can progress to more complex skills or generalization activities to ensure skill transfer beyond structured sessions.

Ensuring consistency and accuracy

Maintaining consistency in data collection protocols is vital for accuracy. Caregivers and practitioners should use standardized methods and clear definitions of behaviors. Training for family members helps reduce variability. The interval between trials must be respected to gather reliable information without overwhelming the child.

Aspect	Description	Examples
Data recording methods	Checklists, tally sheets, digital apps	Tally sheets to mark correct/incorrect answers, apps like ABA data recorders
Use of data	Program evaluation, progress tracking, decision-making	Weekly review meetings to adjust reinforcement schedules
Modifications	Adjust prompts, reinforcement, task difficulty	Moving from full physical prompts to verbal prompts
Consistency strategies	Standardized procedures, caregiver training	Training sessions for parents on data collection practices

Addressing Challenges of Home-Based DTT

What Are the Time Commitment and Session Intensity Challenges?

Home-based Discrete Trial Training (DTT) often requires several hours of one-on-one instruction daily, following the intensity of the original Lovaas method that recommended 35-40 hours per week. This time commitment can be exhausting for both the child and caregivers, making it difficult to maintain over long periods.

How Can Behaviors Be Managed During Sessions?

Managing behaviors during home DTT sessions is crucial. Consistency in positive reinforcement, use of prompts, and the creation of a distraction-free environment help reduce disruptive behaviors. Employing visual supports and incorporating preferred activities can engage the child and sustain motivation throughout sessions.

What Strategies Support Consistency in Implementation?

Ensuring consistency depends on creating structured routines and minimizing distractions at home. Caregivers should establish clear session schedules and use standardized materials and reinforcers. Regular data collection during trials allows tracking progress and adjusting strategies, which helps maintain an effective, consistent program.

How Important Is Collaboration With Professionals?

Collaboration with ABA practitioners, occupational therapists, and speech therapists is vital when implementing home DTT. Professionals provide training on prompts, select appropriate reinforcers, assist with task analyses, and help tailor programs to the child’s specific needs. This teamwork ensures quality and maximizes the training benefits.

How Can DTT Be Adapted to the Child’s Evolving Needs?

Children’s developmental progress requires DTT programs to be flexible. Regular assessments enable modifications in task difficulty, prompt levels, and reinforcers. Incorporating generalization strategies ensures skills transfer to natural settings. Adapting DTT helps maintain engagement and supports continuous growth.

Combining DTT with Other Therapies at Home

Integrating Speech and Occupational Therapy Techniques

Discrete Trial Training (DTT) can be effectively combined with speech and occupational therapy to address multiple developmental areas simultaneously. Speech therapy focuses on communication skills, while occupational therapy targets motor skills and daily living activities. When paired with DTT, techniques from these therapies are incorporated into the structured learning trials, ensuring that speech and motor goals are reinforced systematically.

Using Natural Environment Training Alongside DTT

Natural Environment Training (NET) complements DTT by promoting skill use in authentic settings. While DTT involves intensive, one-on-one teaching in controlled environments, NET encourages applying those skills in everyday situations, such as at home or in the community. This approach helps children generalize skills learned through DTT, overcoming challenges associated with rote memorization.

Multidisciplinary Coordination

Successful integration requires close collaboration among therapists, educators, and caregivers. Coordinated planning ensures consistency in strategies, reinforcements, and goals across different therapy settings. Effective communication between professionals and family members allows for timely adjustments and supports a unified approach to the child’s development.

Enhancing Generalization of Skills

A significant consideration in combining therapies is promoting generalization—the transfer of learned skills to natural, untrained environments. Strategies include varying the context and materials used during DTT sessions and reinforcing skills during daily routines. Incorporating real-life scenarios from occupational and speech therapies encourages children to apply skills flexibly.

Benefits of a Holistic Approach

A comprehensive therapeutic program that blends DTT with other evidence-based therapies addresses multiple needs of children with autism spectrum disorder. This holistic approach improves social, communication, adaptive, and academic outcomes more effectively than any method alone. It fosters meaningful progress, greater independence, and improved quality of life within familiar settings such as the home.

Generalization: Ensuring Skills Transfer Beyond Training

Ensure Skills Transfer: Mastering Generalization Strategies in DTT

Why does DTT lead to rote memorization?

Discrete Trial Training (DTT) teaches skills through repetition and reinforcement of discrete steps. While this approach effectively builds correct responses, children with autism often become adept at memorizing the exact scenarios presented during training. This rote memorization means they may perform well in structured sessions but struggle to adapt skills to varied or natural situations.

How is programming for skill generalization incorporated?

To address the challenge of rote learning, effective DTT programs include specific strategies for generalization. This involves teaching skills across multiple settings, with different stimuli and varied prompts. Additionally, fading prompts and systematically altering cues help children practice applying skills beyond the training context.

How can caregivers and therapists encourage application in natural settings?

Encouraging skill use outside of clinical or controlled settings is critical. Caregivers and therapists are encouraged to reinforce skill use during daily routines, play, and community activities. Incorporating natural reinforcers and opportunities for spontaneous practice enhances the child's ability to transfer learned behaviors.

How is performance assessed in non-instructional environments?

Progress is measured not only by skill acquisition during DTT sessions but also by observing how well the child performs skills in non-instructional, real-world settings. Regular data collection in natural contexts ensures that learning translates into functional independence.

What role does generalization play in promoting real-world independence?

Generalization is essential for ensuring that skills learned through DTT support meaningful changes in the child’s life. When children apply skills naturally, such as communicating wants or participating socially, it fosters greater independence and improves overall quality of life. Without generalization, gains during training might remain isolated, limiting long-term benefits.

Who Provides ABA and DTT Therapy?

Meet the Experts: Who Provides ABA and DTT Therapy?

Roles of BCBAs, BCaBAs, and RBTs

ABA therapy and Discrete Trial Training (DTT) are delivered by a team of certified professionals with specific roles. Board Certified Behavior Analysts (BCBAs) are the most highly trained, usually holding advanced degrees. They are responsible for designing individualized treatment plans, supervising therapy sessions, and monitoring progress to ensure effective intervention.

Board Certified Assistant Behavior Analysts (BCaBAs) assist BCBAs by helping implement the treatment plans and overseeing Registered Behavior Technicians (RBTs). RBTs provide one-on-one direct therapy with clients, often carrying out the DTT sessions by following protocols established by BCBAs.

Supervision and Program Design

Treatment programs are carefully designed and continuously adjusted by BCBAs through ongoing data collection and analysis. BCBAs supervise therapy to maintain fidelity to the applied behavior analysis principles that underpin DTT, ensuring that goals are appropriate and that progress is tracked.

Importance of Trained Professionals

Because of the complexity of ABA and DTT methods—such as breaking behaviors into discrete trials, selecting reinforcers, and guiding prompts—the involvement of trained and certified professionals is essential. This expertise ensures that interventions are ethical, effective, and customized to the child's unique needs.

Support Staff and Coordination

Beyond direct therapists and supervisors, clinical directors, case managers, and administrative staff play vital roles in coordinating care, scheduling, and maintaining communication among all parties involved to facilitate seamless service delivery.

Parent and Caregiver Involvement

Parents and caregivers are integral to successful ABA and DTT therapy. Professionals often provide training and support to families, helping them understand therapy goals and practice strategies outside formal sessions. This collaboration promotes skill generalization and real-world application.

Overall, ABA and DTT services are provided by coordinated teams of licensed and certified specialists who tailor interventions through close supervision, ensuring high-quality treatment that supports meaningful improvement for individuals with ASD.

The Origins and Evolution of Discrete Trial Training

Development by Dr. Ivar Lovaas in the 1980s

Discrete Trial Training (DTT) was developed in the 1980s by Dr. Ivar Lovaas as a pivotal part of the Lovaas Method, a groundbreaking approach in applied behavior analysis (ABA) aimed at treating children with autism spectrum disorder (ASD). Dr. Lovaas introduced this structured teaching technique to break down complex skills into manageable, discrete tasks, making learning more accessible for children with developmental challenges.

Connection to the Lovaas Method

DTT quickly became a central element of the Lovaas Method, characterized by intensive, repetitive, one-on-one training often lasting several hours daily. The method emphasized breaking behaviors into small components and using consistent reinforcement to build new skills systematically.

Historical Use of Aversive Reinforcement and Shift to Positive Reinforcement

Early implementations of DTT faced criticism due to the initial use of aversive reinforcement techniques, which involved unpleasant consequences to discourage unwanted behaviors. Over time, modern practitioners shifted away from these methods, embracing positive reinforcement such as praise and rewards. This evolution enhanced the therapy's acceptability and effectiveness while promoting a more humane approach.

Integration into Comprehensive ABA Programs

Today, DTT is often integrated into broader ABA programs, blending with techniques like Natural Environment Training to improve skill generalization and address individual needs. Though maintaining its core structure of discrete steps and data collection, DTT is now part of a more flexible and comprehensive intervention plan.

Response to Early Criticisms

In response to early critiques, practitioners adapted DTT by emphasizing positive reinforcement, reducing intensity when necessary, and focusing on generalization of skills beyond clinical settings. These changes have helped solidify DTT's reputation as an effective, evidence-based treatment within the spectrum of ABA therapies.

Adapting DTT for Different Ages and Abilities

What is the primary age range for DTT?

Discrete Trial Training (DTT) is most frequently used with children aged 2 to 6 years, supporting early intervention in autism spectrum disorder (ASD). However, research shows it is effective for learners with ASD aged 3 to 11 years, and even beyond this range when appropriately customized.

How effective is DTT across broader age groups?

While originally developed for young children, DTT has demonstrated benefits for individuals of various ages. Its focus on breaking down skills into manageable steps and reinforcing correct responses can support learners with differing developmental levels.

How can intensity and duration be customized?

DTT typically involves several hours of one-on-one instruction daily over months or years. However, intensity can be adapted depending on the learner's endurance, goals, and family or educational setting. For example, some programs may reduce hours or integrate DTT with other therapies to prevent exhaustion.

How are prompts and materials modified?

To meet diverse learner needs, prompts are tailored to elicit responses effectively. Materials are customized to be engaging and relevant, using visual supports or preferred activities. This personalization helps maintain motivation and accommodates individual learning styles.

How does DTT address various skill levels and behavioral challenges?

DTT programs assess each learner's unique skills and challenges. For beginners, simple, discrete skills with clear reinforcement are emphasized, while more complex behaviors or social skills are broken into smaller steps using chaining. Behavior management components are integrated to tackle challenges such as motivation and compliance.

This flexibility ensures DTT remains a powerful tool in teaching communication, social, adaptive, and academic skills across diverse learners.

Creating a Supportive Home Learning Environment for DTT

Build a Supportive Home Environment for Successful DTT Sessions

Establishing routines

Consistency is crucial in Discrete Trial Training (DTT). Setting up predictable daily routines helps children with autism know what to expect and prepares them mentally for learning sessions. Regularly scheduled DTT sessions embedded in the day provide structure and build comfort around the learning process.

Minimizing distractions

A distraction-free environment optimizes focus during DTT. Reducing noise, clutter, and visual distractions ensures that the child’s attention remains on the task. A designated quiet area or corner within the home can serve as the learning space to enhance concentration.

Using visual supports

Visual supports, such as schedules, cues, or picture cards, assist children in understanding expectations and transitions. These aids complement verbal instructions and can improve comprehension and response accuracy during trials.

Encouraging engagement and participation

Active involvement is fostered through positive reinforcement and interaction. Praising responses, using enthusiastic tones, and celebrating small successes motivate participation. Consistent encouragement helps maintain the child’s interest throughout sessions.

Incorporating preferred activities

Including the child’s interests or favorite activities within DTT lessons increases motivation. Preferred toys, games, or themes can be used as reinforcers or incorporated into trials, thereby making learning enjoyable and relevant.

Creating a supportive home learning environment that follows these guidelines enhances the effectiveness of DTT and promotes skill acquisition in a natural setting.

Measuring Success and Long-Term Benefits of Home-Based DTT

Indicators of progress

Progress in home-based Discrete Trial Training (DTT) is typically observed through consistent improvement in targeted skills. These indicators include accurate responses during trials, increased ability to follow instructions, and successful completion of smaller task components that build towards complex behaviors. Data collection during sessions ensures that gains are measurable and guides adjustments to the program.

Importance of naturalistic performance

While performance during structured trials is important, the ultimate measure of success is how well skills are generalized and demonstrated in natural everyday environments. Effective DTT programs prioritize generalization, ensuring that children apply learned behaviors beyond therapy sessions. Observing the child performing skills in home, school, or community settings provides a realistic indication of meaningful progress.

Improvements in social and communication skills

Home-based DTT has been shown to greatly enhance social and communication abilities in children with autism spectrum disorder (ASD). Through targeted practice, children develop joint attention, appropriate social responses, and functional communication such as requesting or commenting. Positive reinforcement and prompt fading encourage spontaneous and appropriate interactions.

Increased independence

A significant benefit from home DTT is the promotion of independence. As children master self-care and adaptive skills through structured trials, they become more capable of managing daily routines with less adult assistance. This progress often translates into greater confidence and active participation in family and community life.

Sustained behavior changes and quality of life enhancement

Long-term benefits of DTT include sustained improvements in desirable behaviors and reductions in challenging behaviors. Consistent use at home supports behavior maintenance, which contributes to improved quality of life for both the child and family. Tailoring programs to the child’s individual needs and ongoing monitoring further enhance lasting outcomes.

Conclusion: Empowering Families Through At-Home Discrete Trial Training

Implementing Discrete Trial Training at home offers families a powerful way to actively support their child’s skill development in a comfortable and familiar environment. Grounded in the well-established principles of Applied Behavior Analysis, DTT breaks learning into manageable steps reinforced through repetition, prompting, and positive reinforcement. While it requires commitment, planning, and consistency, home-based DTT can be tailored to individual needs, enhanced with multidisciplinary therapies, and adjusted as children grow. By focusing not only on skill acquisition but also on generalization and real-world application, families can foster meaningful progress that extends beyond training sessions. Collaborating with qualified professionals and maintaining diligent data collection ensures that programs remain effective and responsive. Ultimately, at-home DTT empowers caregivers to play a vital role in helping children with autism thrive and reach their full potential.