NU 503 Quiz 6 UPDATED ACTUAL Exam
Questions and CORRECT Answers
What is bias sampling? - CORRECT ANSWER - 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? - CORRECT ANSWER - snowball
The nurse researcher knows it is important to make a distinction between target and accessible
populations. What is the target population? - CORRECT ANSWER - 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? - CORRECT ANSWER - cluster
p. 256
Which type of sample is considered to be the weakest for quantitative studies? - CORRECT
ANSWER - 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? - CORRECT ANSWER - purposive
p. 254
What type of sampling divides the population into homogeneous strata from which elements are
selected at random? - CORRECT ANSWER - stratified random sampling
What type of analysis do nurse researchers use to estimate sample size needs? - CORRECT
ANSWER - power
Questions and CORRECT Answers
What is bias sampling? - CORRECT ANSWER - 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? - CORRECT ANSWER - snowball
The nurse researcher knows it is important to make a distinction between target and accessible
populations. What is the target population? - CORRECT ANSWER - 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? - CORRECT ANSWER - cluster
p. 256
Which type of sample is considered to be the weakest for quantitative studies? - CORRECT
ANSWER - 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? - CORRECT ANSWER - purposive
p. 254
What type of sampling divides the population into homogeneous strata from which elements are
selected at random? - CORRECT ANSWER - stratified random sampling
What type of analysis do nurse researchers use to estimate sample size needs? - CORRECT
ANSWER - power
