What is a reversal design?

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A single case design in which the treatment is introduced after the baseline period and then withdrawn during the second baseline period. It may be extended by adding a second introduction of the treatment. Sometimes called a "withdrawal" design.

Example / Application

Example: Reversal Design

Application: For example, the effects of effects of a reinforcement procedure on a child's academic performance could be assessed with an ABA design. The number of correct homework problems as the baseline, reinforcement(treatment) introduced and the child would receive gold stars for correct problems, in exchanged the stars for toys or candy,later the treatment would be discontinued for a second baseline. Showing that the behavior changed with the treatment.

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