What Is Discrete Trial Training?

Summary

Discrete trial training is a way of teaching that breaks down skills into smaller parts. It teaches these parts one at a time and is often used for kids with autism. DTT uses repetition and rewards to help change behavior.

Frequently Asked Questions
Science Person Definition
Real World Example of Discrete Trial Training (DTT)
How Does Discrete Trial Training (DTT) Work?
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Frequently Asked Question

Who can benefit from Discrete Trial Training (DTT)?

DTT can be used with individuals of all ages and abilities, including children with developmental disabilities, individuals with autism, and people with language delays or disorders.

What are the steps involved in Discrete Trial Training (DTT)?

The steps involved in DTT typically include preparation, starting a trial, presenting the task, observing the response, providing reinforcement, repeating the trial, ending the trial, and practicing the skill in real-life situations.

Why is Discrete Trial Training (DTT) effective?

DTT is effective because it provides a clear and predictable structure, which helps individuals learn new skills or behaviors. The use of reinforcement also helps to maintain and increase the desired behavior. Additionally, by breaking down a complex task into smaller, individual steps, DTT makes it easier for individuals to learn and master new skills.

Scientific Definition

Discrete trial training (DTT) is an evidence-based instructional approach derived from the principles of Applied Behavior Analysis (ABA). This method involves breaking down complex skills into smaller, more manageable components and teaching each component individually through repeated practice and reinforcement. DTT is commonly employed in educational and therapeutic settings to teach new skills and modify behavior, particularly for individuals with autism spectrum disorder and other developmental disabilities.

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Video Explanation

Real World Example of Discrete Trial Training (DTT)

Sarah, a 5-year-old with autism, struggles with basic self-care skills. Her therapist decides to use DTT to teach her handwashing. Here’s how it works:

Breaking down the skill: The therapist breaks down handwashing into smaller steps, such as turning on the water, applying soap, rubbing hands together, rinsing, and drying.
Teaching each step: The therapist teaches Sarah each step individually, providing clear instructions and demonstrations.
Practicing and reinforcing: Sarah practices each step repeatedly, and the therapist provides positive reinforcement, such as praise or a small reward, for each successful attempt.
Putting it all together: As Sarah masters each step, the therapist gradually connects them until she can complete the entire handwashing process independently.

With patience and consistent practice, Sarah learns to wash her hands effectively, promoting her independence and hygiene.

How Does Discrete Trial Training (DTT) Work?

DTT is a structured teaching method that can be adapted to teach various skills to kids with autism or other developmental disabilities. Some examples of how DTT is used include:

Teaching communication skills: DTT can help kids learn to request items, label objects, or answer questions.
Improving social skills: DTT can teach kids to greet others, take turns, or engage in simple conversations.
Developing self-care abilities: DTT can be used to teach skills like dressing, grooming, or toilet training.

Skill Area	Example DTT Targets
Communication	Requesting, labeling, answering questions
Social Skills	Greetings, turn-taking, conversation
Self-Care	Dressing, grooming, toilet training

By breaking down complex skills and providing structured teaching, DTT can help kids with developmental disabilities acquire essential abilities for daily life and independence.

This post was originally published on Feb. 2, 2023. It was updated on August 8, 2024.