Put your knowledge of occurence measurement to the test with PTB co-founder Dana Meller as she discusses the two types of derivative measures, and each of their defining features and applications. Dana focuses on the derivative measure used for comparing two or more procedures, teaching clients new skills, evaluating mastery over a class of concepts, and the various measurement methods.

Refer to BCBA® Task List (5th ed.) Section C-6: Measure trials to criterion.