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An ABAB reversal design can be illustrated by a study aimed at improving a student's studying behavior. The percentage of time spent studying is measured and found to be low during the initial baseline phase. A treatment is then introduced, causing studying time to increase until it stabilizes. When the treatment is removed during the second baseline phase, the studying behavior decreases. Finally, the treatment is reintroduced in a second treatment phase, which leads to studying behavior increasing once again.

ABAB Reversal Design Example

Arrange the sequential phases of an ABAB reversal design study, using the example of improving a student's studying behavior, in the correct chronological order.

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