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Results
#1. A behavior analyst instructs a paraprofessional to collect Play-Check (PLACHECK) data on a group of students’ on-task behavior during independent work time, using 20-second intervals. After reviewing the paraprofessional’s data sheet, the behavior analyst observes that the paraprofessional recorded a ‘yes’ for on-task behavior if any student was on-task at any point during the 20-second interval, noting 8 instances across several intervals. The behavior analyst realizes the paraprofessional made an error in data collection. Which of the following best describes the paraprofessional’s likely error?
PlayCheck PLACHECK or Planned Activity Check is a specific type of momentary time sampling MTS procedure used for groups When implementing PlayCheck the observer records whether the target behavior is occurring for a group of individuals at the exact moment a predetermined interval ends The problem describes the paraprofessional recording a yes if any student was ontask at any point during the 20second interval This method of recording where an occurrence is noted if the behavior happens at any time within the interval even for a brief moment is characteristic of Partial Interval Recording PIR PIR tends to overestimate the duration of behavior and underestimate its rate Lets analyze why other options are incorrect A The paraprofessional incorrectly used Momentary Time Sampling instead of PlayCheck This is incorrect because PlayCheck is a form of momentary time sampling specifically for groups The error was not in using MTS conceptually but in misapplying the specific rules of PlayCheck and MTS by observing throughout the interval rather than just at the end B The paraprofessional used Whole Interval Recording instead of PlayCheck Whole Interval Recording WIR requires the behavior to occur throughout the entire duration of the interval for it to be recorded as an occurrence The description at any point contradicts the definition of WIR D The paraprofessional correctly applied PlayCheck for group data This is incorrect The paraprofessionals method of observing for the behavior at any point within the interval is a direct misapplication of PlayCheck which requires observation only at the end of the interval
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