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#1. In the context of an experimental analysis in Applied Behavior Analysis, a behavior analyst is attempting to establish a functional relation between a specific intervention and a target behavior. Which of the following conditions is most crucial for confidently demonstrating this functional relation?
The text explicitly emphasizes this point you want to make sure when that independent variable is applied that behavior is changing and only when that iv is applied thats how you determine the functional relation This principle is fundamental to experimental control in ABA To establish a functional relation the behavior analyst must demonstrate a clear and exclusive causal link between the independent variable the intervention and the dependent variable the target behavior Option A is incorrect because the pace of change can legitimately vary across different subjects or settings the critical aspect is the occurrence of change contingent on the IV Option B describes a lack of experimental control as the behavior changes even without the intervention making it impossible to isolate the interventions effect Option D also indicates a failure in experimental control as the presence of confounding variables prevents the analyst from definitively attributing behavior change solely to the independent variable The only when condition ensures that alternative explanations for behavior change are ruled out
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