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Results

#1. Gwyn, a band conductor, dedicates the first 20 minutes of daily practice to independent warm-ups. During this time, every 3 to 4 minutes, she briefly observes her entire band to determine which members are actively warming up and which are not. She then records this observation before resuming her administrative tasks. What type of discontinuous measurement procedure is Gwyn utilizing?

Whole interval time sampling

Permanent product recording

Partial interval time sampling

Playcheck (Momentary time sampling)

Gwyn is using a form of Momentary Time Sampling specifically referred to as a Playcheck when applied to a group setting In Momentary Time Sampling the behavior is recorded only if it is occurring at the exact moment the observation interval ends For a group like Gwyns band a Playcheck involves quickly scanning the group at the end of each interval to note who is engaged in the target behavior Whole interval time sampling would require the behavior to occur throughout the entire 3 to 4 minute interval to be counted Partial interval time sampling would record the behavior if it occurred at any point during the interval even briefly Permanent product recording involves measuring the tangible results or outcomes of a behavior after it has occurred not direct observation of the behavior itself which is also not what Gwyn is doing

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