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Guest Blog Post by Dr. Katherine May, Ed.D., BCBA

When a behavior intervention consists of multiple components (treatment/behavioral package) and the practitioner manipulates each component to see which one is most effective for the client. A component analysis is an experimental design to identify the active elements of a treatment package, the relative contributions of different components in a treatment package, and/or the necessity and sufficiency of treatment components (Cooper, Heron & Heward, 2019).

Essentially, a component analysis is when a practitioner is analyzing a treatment package to determine which treatment is most effective by analyzing which treatment is most efficiently affecting the dependent variable. A component analysis attempts to determine which part of an independent variable is responsible for behavior change. There’s one golden rule: change only variable at a time.

There are two methods for conducting component analyses; an add-in component analysis and a drop-out component analysis:

  1. Add-in Component Analysis: Components are assessed individually or in combination before the complete treatment package is presented. This method can identify sufficient components.
  1. Drop-out Component Analysis: The experimenter presents the treatment package and then systematically removes components. If the treatment’s effectiveness wanes when a component is removed then the experimenter has identified a necessary component.

References

Cooper, J. O., Heron, T. E., & Heward, W. L. (2019). Applied Behavior Analysis (3rd Edition). Hoboken, NJ: Pearson Education.

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Our 5th ed. Task List Crash Course is designed to prepare you for the BCBA® exam. We created the ultimate “Task-List Take-Over” by systematically breaking down the components that comprise the 5th ed. Task. This course is equipped with a vast collection of informational content videos presented by Dr. Katherine May, Ed.D., BCBA and Jessica Leichtweisz, BCBA. This course is pre-recorded for the accessibility of downloading and watching at your own convenience. We tactically tailored the 5th ed. Task List Crash Course to fit comfortably into your own individualized study schedule and routine. The course videos are strategically designed to promote self-paced instruction equipped with data sheets to self-monitor your progress. In addition to the videos, practice exams, and preparation resources are included which are not only informative but also challenging to ensure sufficient preparation for the “real” exam. We are confident that completion of this course and included mock exams and resources will certify that you’re thoroughly prepared for the exam.

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