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Results

#1. In the context of Applied Behavior Analysis, a fundamental characteristic of single-subject research designs is that each participant acts as their own control. What does it precisely mean for a subject to function as their own control in such a design?

The subject’s behavior is compared to a control group of similar individuals who do not receive the intervention.

The subject’s behavior during the intervention phase is compared directly to their own behavior observed during the baseline phase.

The subject is exposed to all experimental conditions simultaneously to determine the most effective one.

The researcher uses a statistical analysis to compare the individual’s performance against population norms.

In singlesubject designs the concept of a subject acting as their own control is central to establishing experimental control This means that an individuals behavior is observed and measured repeatedly during a baseline phase without intervention and then compared to their own behavior during an intervention phase This withinsubject comparison allows the researcher to determine if the intervention independent variable caused a change in the target behavior dependent variable for that specific individual rather than attributing changes to other factors or comparing them to a separate group

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