Essential Learning: Acquisition, Generalization, and Maintenance
This supervision conversation connects discrete trial teaching with the usual sequence of learning a skill, using it in different situations, and retaining it over time.
RBT: Why do we collect baseline data before teaching a new skill?
BCBA Supervisor: Baseline shows how the learner performs before the new teaching procedure begins. Follow the assessment protocol and record what happens. Do not remove existing support unless the protocol specifically directs this. Ask me if you are unsure what help is permitted.
RBT: What should I do during acquisition?
BCBA Supervisor: Acquisition means learning the skill. Follow the written instructions for readiness, cues, prompts, reinforcement, and error correction. Record the learner’s responses accurately, including any prompts. Check that the learner is ready to participate without requiring eye contact, and respect requests or signs that they need a break.
RBT: What comes next?
BCBA Supervisor: The usual sequence is acquisition, generalization, and maintenance. During generalization, we help the learner use the skill with different people, materials, or settings where it matters. Follow the planned practice opportunities and report where the learner needs help. I will use the data to decide whether the teaching plan needs to change.
RBT: And maintenance means the skill lasts?
BCBA Supervisor: Yes. We check that the learner continues to use the skill over time. Follow the plan for periodic practice, reinforcement, and recording. If performance changes, tell me rather than changing the procedure independently.
Optional Resources
Optional Reading: The Structured Mix Method (Listener Discrimination)
Discrete trial teaching can be used to teach listener discrimination. One approach used by some organizations is the Structured Mix Method. Below is an overview of the method, its criticisms, and best practices for RBTs implementing DTT.
Steps for Skill Acquisition
- Mass trials of the first target without distractors: Teach selection of a specific object (e.g., dinosaur) with prompts as needed.
- Mass trials of the first target with distractors: Add distractor items; reinforce correct selection of the target without touching distractors.
- Mass trials of the second target: Teach a second target (e.g., car), typically contrasting with the first.
- Mass trials of the second target with distractors: Add distractors while teaching the second target.
- Block rotation: Present both targets; request one item at a time until criteria are met, then switch.
- Random rotation: Randomize requests and positions; the learner responds to varied verbal cues.
Criticisms
- Lack of discrimination early on: Learners may respond based on repetition rather than attending to the verbal stimulus.
- Redundant steps: Over-prescriptive sequences can lead to overtraining and reduced efficiency.
Best Practices for RBTs
- Follow the individualized teaching plan developed by your supervisor.
- Record data accurately and raise patterns or concerns with your supervisor.
- Follow the planned prompt-fading procedure to support independence.
- Carry out planned generalization practice and checks across stimuli, contexts, and instructors.
When implemented flexibly, the Structured Mix Method can be a useful framework for building listener discrimination skills.
Optional Reading: Ferraioli, S., Hughes, C., & Smith, T. (2005) : A model for problem solving in DTT for children with autism.
Optional Videos
These examples illustrate different approaches. Follow your own supervisor’s written plan rather than copying a demonstration.
DTT example: five trials of the same skill, Michelle Hogan (1:25).
Discrete Trial Training in Applied Behavior Analysis, Hacking Behavior (9:02).
Longer Optional References
Conversation Exercise
Use FRED, our AI-powered chatbot, to rehearse a supervision conversation about discrete trial teaching. Practice explaining what you observed and asking for clarification about a prompting, reinforcement, or recording instruction. Use a fictional example and do not include identifying learner information.
Click the conversation icon in the bottom right of your screen, or open the chat interface directly.
If you have not already, read our guide on getting the most from your conversations with FRED.
Reflection Exercise
In 100-500 words, describe one skill you could help teach using discrete trials. Explain how you would check the learner is ready, follow the teaching instructions, respond to their answer, and record what happened. Briefly describe how the skill could progress through acquisition, generalization, and maintenance. Include one concern or uncertainty you would discuss with your supervisor, and explain why their guidance would help you support the learner.
Use your own example and thoughts. You may write in any language. Grammar and spelling are not assessed. Optional resources are not required for this reflection.
If you use AI to brainstorm or improve your wording, keep the reflection personal and add a sentence such as “I used AI to help organize my ideas.”
If you submit early by mistake, email your corrected reflection to connect@jigsawconnects.co.uk so we can add it to your record.
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