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RTC/OM HCBS Measurement Education Modules Why Sampling? Typically, it is not necessary to collect information about an entire target population to identify a problem and/or answer a question Gathering information from every person in the population would often be too time-consuming, labor-intensive, and costly Results from a sample are usually acceptable if:Sufficient numbers of participants are recruited (acceptable sample size) Care is taken to avoid bias and ensure the characteristics of the sample are similar to the target population (representative)
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