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What is DTT?

DTT stands for Discrete Trial Training which is used in both traditional ABA and Verbal Behavior programs. DTT involves:

DTT is composed of a discrimnative stimulus (SD) which is basically the instruction or question, a response (R) which is the child's action upon receiving the SD, and a reinforcing stimulus (SR) which is the consequence or reward. DTT is primarily based on tact (labelling) and receptive language. Advantages of DTT include a high number of training trials, a solid way to develop tact, receptive, echoic, and imitative behaviors, ease of staff training, clarity of target response, simplicity of data collection, ease of assessment of progress, and clearly defined curricular steps.

Most of this information is derived from my own knowledge and experience of the subject as well as my traning manual copyright 2003 Jacobsen/Matchneva ABA Consulting.

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