What is a key function of the evaluation phase in an ABA intervention?

• A. To document personal opinions of the intervention
• B. To measure the efficacy of implemented strategies
• C. To create new target behaviors
• D. To finalize the intervention documentation

Answer: (B)

The evaluation phase plays a crucial role in gathering evidence regarding the effectiveness of the applied behavior analysis (ABA) intervention strategies. Specifically, it involves systematically measuring specific behaviors before, during, and after the implementation of these strategies to assess their impact. This measurement is essential for determining whether the intervention is achieving its intended outcomes and for making informed decisions about any necessary adjustments to improve effectiveness.

By focusing on the efficacy of the strategies, practitioners can gather data that reflect the degree of progress made by the individual receiving the intervention. This evidence-based approach ensures that the interventions are not based on opinions or assumptions but on observable and measurable behaviors, making the evaluation phase foundational to the overall success of ABA practices.