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Module 3 Quiz- Nursing 3600 (1)
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- My D204 WGU
Module 3 Quiz- Nursing 3600 (1)
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Module 3 Quiz- Nursing 3600Research variables are: - CORRECT ANSWER-Properties of person, situations, or things that
change or vary
What type of research variable is gender? - CORRECT ANSWER-Categorical
What is meant by "control of extraneous variables"? - CORRECT ANSWER-Elimination or holding
steady of variables that could influence a study's results.
Which statement best describes the difficulty caused by low response rates to surveys? Low
response rates: - CORRECT ANSWER-Yield data from a sample that may not be representative
of the population.
In studies that use more than one data collector, how is the consistency of the data evaluated? -
CORRECT ANSWER-Inter-rater reliability
Which of the following is the most important characteristic of a sample? - CORRECT
ANSWER-Representativeness
Which of the following describes a convenience sample in a research study? - CORRECT
ANSWER-The sample was selected from residents of eight nursing homes in Arkansas and
consisted of cognitively impaired individuals with no physical impairments or other psychiatric
illnesses.
Reliability in a research study is: - CORRECT ANSWER-The degree to which a data collection
instrument consistently obtains the same or similar measurement values.
Which of the following best describes the purpose of a descriptive study? To: - CORRECT
ANSWER-Measure and describe the features or elements of a situation
What is the advantage of random samples compared to convenience samples? - CORRECT
ANSWER-The sample better represents the population
Which of the following statements is an accurate interpretation of the statistical result Pearson r =
0.70? - CORRECT ANSWER-49% of variability in one variable is explained by the variability in the
other variable and vice versa.
In a correlation study, the p value of a Pearson r statistic is 0.005. What does this mean? -
CORRECT ANSWER-There is a very small probability that the relationship between the due
variables is due to chance.
In correlational research when two variables have a very strong relationship, the Pearson r value
will be near: - CORRECT ANSWER-1
Which situation or factor in a report of a study using a correlational design would cause a nurse to
question the validity of the study? - CORRECT ANSWER-The researchers conclude that a causal
relationship exists between the variables.
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