Diferencia centre Alternative Design y Reversal Design

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 Diferencia centre Alternative Design y Reversal Design

 

I need the answer in spanish or ingles please .Somebody answered this question in another language

Why is an ABAB design also called a reversal design?
ABA Design

So, in an ABA research design, the initial behavior is altered by the intervention and then the intervention is withdrawn to see if the behavior returns to the baseline level. This is also known as a reversal design.