ABA Designs Hall and colleagues (1971) used an ABABA design in his behavior modification study.This was a variation of the ____ design.

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The ABABA design is a variation of the ABA design. In the ABABA design, the baseline phase (A) is followed by an intervention phase (B), which is then followed by a return to baseline (A), another intervention phase (B), and a final return to baseline (A). This design allows the researcher to assess the effects of the intervention by comparing the behavior during the intervention phases to the behavior during the baseline phases.

ABA Designs Hall and Colleagues (1971) Used an ABABA Design