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Results

#1. A BCBA is reviewing a client’s work duration data. For the last three sessions, the client worked for 25 minutes, 20 minutes, and 22 minutes, respectively. The client’s treatment goal is to work for 30 minutes. Which of the following accurately represents the average duration the client worked in these three sessions?

25 minutes

22.33 minutes

22 minutes

30 minutes

To calculate the average duration you must sum the relevant data points and then divide by the total number of those data points In this scenario the actual work durations are 25 minutes 20 minutes and 22 minutes The stated goal of 30 minutes is a distractor and should not be included in the calculation of the clients actual average performance Therefore the calculation is 25 20 22 3 This sums to 67 minutes Dividing 67 by 3 yields approximately 22333 minutes For multiplechoice questions on the BCBA exam its essential to perform precise calculations and select the most accurate answer often rounded to two decimal places The option 22 minutes might be tempting if one rounds prematurely or incorrectly but 2233 minutes is the more precise average This question emphasizes the importance of carefully identifying relevant data and ignoring distractors when performing calculations

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