
The episode discusses the empirical support and implications of mastery criteria in applied behavior analysis with experts Sarah Richling and Dan Fienup.
How do we determine when a learner has truly mastered a skill? In behavior analysis, performance criteria such as "80% correct across two sessions" have become nearly ubiquitous. Yet despite their widespread use, many practitioners may be surprised to learn that these criteria have relatively little direct empirical support. In this episode, I'm joined by Drs. Sarah Richling and Dr. Daniel Fienup to discuss the history, research, and practical implications of mastery criteria in applied behavior analysis. Drawing on their independent lines of research, Sarah and Dan examine how different criterion levels influence skill maintenance and why behavior analysts should think carefully about what constitutes meaningful mastery. We begin by defining the terminology surrounding mastery and performance criteria and explore several important dimensions that are often overlooked, including criterion level, criterion frequency, supplementary variables, and units of analysis. The conversation then turns to the origins of the commonly used 80% and 90% thresholds. Although these criteria appear throughout ABA training and practice, Sarah and Dan explain that their widespread adoption may owe…
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