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Here\'s a guide to help teachers use the DTT approach. Very simple and neat!
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Discrete
Trial
TeachingThe Application of an The Application of an ABAABA Strategy for Strategy for
Children with Autism & Children with Autism & Other DisabilitiesOther Disabilities
Paula R. Ulloa
ED657 Advanced Techniques: Multiple & Severe Disabilities
July 18, 2008
The Lovaas Method implements:
You should be able to…
• Demonstrate how to do a discrete trial
• Demonstrate the use of prompting strategies
• Demonstrate the use reinforcers
ABA UmbrellaABA Umbrella
• Simple and concise instructions
• 1x Rule• Avoid
instructions or cues to gain attending behaviors
Instruction
• 3-5 seconds & caveats
Response
Feedback• Immediate
• Positive Feedback
• Corrective Feedback
I R F!
AInstruction
BBehavior
CFeedback
3-5 secs 2-3 secs.
Prompts: No No Prompt vs. Errorless Learning
•Full Physical Prompt •Partial Physical Prompt•Gestural Prompt •Positional Prompt (proximity) •Within Stimulus Prompt (correct
option)-------------------------------------------------------------------------------
•Verbal Cues• Inadvertent Prompts
Arugh?
AInstruction
BBehavior
CFeedback
Prompt
3-5 secs 2-3 secs.
Improving the Quality of A Response Differential
Reinforcement(complete a reinforcer assessment)
A+ Correct
answer/good attention and
engaged
B Correct answer,
attention is off
C Incorrect answer
but good attention and really tried.
arrr..
AInstruction
BBehavior
CFeedback
DTT Process
Reinforcement?Prompt
3-5 secs 2-3 secs.
What just happened?
• DTT can be effective for any student that needs more structure
• Researched-based specifically as an intervention for autism
• Easy to learn & use
• Consistency among environments & personnel is key
Hmmm………..
• Is this the BEST method of intervention for individuals with autism?
• How does ABA:DTT affect socialization and development of social skills?
• How can we use ABA:DTT with other interventions for autism?
References
• Guam Public School System Division of Special Education Autism Program
• The Lovaas Institute www.lovaas.com
• Leaf, R. & McEachin, J. A Work In Progress. New York, NY:
DRL Books, Inc.