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 MODULE: Discrete Trial Training (DTT)


Academic, social and functional skill deficits are a common feature of autism spectrum disorders.

  • Discrete trial training (DTT) facilitates the acquisition of skills by breaking the skill down into small, teachable steps that can be repeated.
  • DTT facilitates learning new skills by isolating the important components of the skill and rewarding successful completion of small steps.
  • Each teaching trial has a beginning or prompt (antecedent), a response (the target skill) and an end (the consequence or reinforcer).
  • The use of antecedents and consequences is carefully planned and implemented.
  • Positive praise and/or tangible rewards are used to reinforce desired skills or behaviors.

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