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Results

#1. Usain instructs a student to complete a sprint. The student finishes in 11 seconds. Three minutes later, Usain instructs the student to sprint again. What behavioral dimension does the ‘three minutes later’ represent in this scenario, as a measure between the two instances of the student starting the sprint?

Latency

Duration

Interresponse Time (IRT)

Rate

Interresponse Time IRT is defined as the amount of time that elapses between two consecutive instances of a response class In this scenario the three minutes later refers to the time from the completion of the first sprint or the go signal for the first sprint given the wording time between Usain yelling go and Usain yelling go again to the initiation of the next sprint If we consider the time between the go prompts which evoke the behavior it directly fits the definition of IRT between the occurrences of the SDs that evoke the behavior or the onset of the behavior itself if measured from the end of the previous response to the start of the next The text explicitly states time in between behaviors would be into response time confirming IRT Latency is the time from the onset of a stimulus to the initiation of the response Duration is the total time a behavior occurs Rate is the number of responses per unit of time

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