A BCaBA or Board Certified Assistant Behavior Analyst works directly under a BCBA.  He or she must have a minimum of an undergraduate degree, required Behavior Analysis courses, a period of supervised practice, and an International Exam demonstrating core competency.  A board certified assistant behavior analyst, or BCaBA, conducts descriptive behavioral assessments, interprets the results, and designs appropriate ethical and effective interventions for clients based on Applied Behavior Analysis. BCaBAs can design and oversee appropriate interventions consistent with the principles of ABA with the supervision of a BCBA.