The assessor plans to test a population in a file, and they want to pick every 100th item. Which of the recognized sampling methodologies would best describe the sample that will be pulled?
Systematic/Interval samplingis a recognized statistical methodology where items are selected at regular intervals from an ordered population. For example, selecting every 100th transaction, log entry, or user account from a file. This approach provides coverage across the dataset while being more efficient than random sampling. HITRUST accepts systematic sampling as long as the population is not ordered in a way that introduces bias (e.g., chronological logs where every 100th entry might reflect similar conditions). By contrast,random samplingrequires a truly random number generator,judgmentalrelies on assessor discretion, andhaphazardlacks any structured methodology. For this scenario, selecting every 100th item is clearlySystematic/Interval sampling.
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