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Results
#1. A Board Certified Behavior Analyst (BCBA) is implementing a reversal design (e.g., ABA or ABAB) to systematically evaluate the effectiveness of an intervention on a client’s problem behavior. Within the framework of baseline logic, which specific component is crucial for increasing the probability that an observed change in the client’s behavior was, in fact, functionally related to the introduction or withdrawal of the independent variable, thereby ruling out extraneous variables?
Baseline logic is fundamental to singlesubject experimental designs and comprises three key components prediction verification and replication Prediction involves forecasting that if the independent variable IV is not introduced the behavior dependent variable DV will remain stable or continue its current trend Verification refers to the process of demonstrating that the behavior returns to baseline levels or near baseline when the independent variable is withdrawn after an initial intervention phase This withdrawal and subsequent return of the behavior to its original levels or trend strongly enhances the probability that the IV and not some confounding variable was responsible for the observed change in behavior Replication further strengthens the evidence of a functional relation by reintroducing the IV and observing the effect again While affirmation of the consequent describes the inductive reasoning process used in experimental analysis verification is the specific experimental component that provides strong evidence for the functional relationship by demonstrating the behaviors reversibility when the intervention is removed
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