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Results

#1. A behavior analyst is implementing a skill acquisition program for a learner. The mastery criterion for this specific program is set at two consecutive correct responses. The following data is recorded Trial 1 Correct () Trial 2 Correct () Trial 3 Incorrect (-) Trial 4 Correct () Trial 5 Incorrect (-) Trial 6 Correct () Trial 7 Correct () Based on this data and the mastery criterion, the learner achieved mastery after Trial 2. What type of measurement was most likely used to determine this mastery?

Duration

Rate

Percent of Occurrence

Trials to Criterion

The measurement most likely used in this scenario is Trials to Criterion Trials to Criterion measures the number of response opportunities or trials it takes for a learner to achieve a preestablished mastery criterion In this example the criterion was two consecutive correct responses Since the learner provided two consecutive correct responses in Trial 1 and Trial 2 they met the criterion after Trial 2 Duration measures the amount of time a behavior occurs which is not indicated in the given data Rate measures the frequency of a behavior over a period of time which also is not directly applicable to determining mastery based on a criterion of consecutive correct responses Percent of Occurrence measures the proportion of intervals or response opportunities in which a behavior occurred but it doesnt specifically track the number of trials to reach a mastery level defined by consecutive correct responses which is the hallmark of trials to criterion

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