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TESTLET c
A public health dental hygienist has been contacted by the local farm bureau because of a large number of worker absences caused by oral health issues. The population has low SES, is homogeneous, and does not have access to a community water supply. The hygienist decides to gather information via oral screenings conducted on a sample of the population. Findings indicate a mean DMFT score of 13.4, a mean OHI-S of 2.5, and a mean CPI of 3.1 with no clinical evidence of recession.
-Which sampling technique would be BEST to use to ensure a representative sample for this target population?

Question

Quizplus · Accepted Answer

A random sampling approach al l ows the researcher to assume that the sample is representative , especially if the random sample is large . For a homogeneous population such as this, a simple random sample is the best choice.

Use Testlet C to Answer the Following Questions