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NU 503 Exam-Questions with Correct Answers/ Verified/ Latest 2024/2025
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NU 503 Exam-Questions with Correct Answers/ Verified/ Latest 2024/2025
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NU 503 Exam-Questions with Correct Answers/ Verified/ Latest2024/2025
What is bias sampling? - ✔✔systematic over-or-under-represenation of an attribute vis-a-vis
the population
What type of sampling occurs in which referrals for potential participants are made by those
already in the sample? - ✔✔snowball
The nurse researcher knows it is important to make a distinction between target and
accessible populations. What is the target population? - ✔✔aggregate of cases about which
the researcher would like to generalize
p. 249
The nurse researcher wants to use a probability sample in the research study. Which is an
example of a probability sampling method? - ✔✔cluster
p. 256
Which type of sample is considered to be the weakest for quantitative studies? -
✔✔convenience
p. 258
The nurse is hand picking the sample based on the researcher's knowledge about the
population. What type of sample is this called? - ✔✔purposive
p. 254
What type of sampling divides the population into homogeneous strata from which
elements are selected at random? - ✔✔stratified random sampling
What type of analysis do nurse researchers use to estimate sample size needs? - ✔✔power
A nurse researcher documents the number of times a mother made positive, encouraging
comments to the toddler. This is an example of what? - ✔✔structured observation
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