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Author Question: A nurse researcher is designing a quantitative research study involving a specific group of patients ... (Read 145 times)

jasdeep_brar

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A nurse researcher is designing a quantitative research study involving a specific group of patients admitted to local hospitals. Which factor would negatively affect the feasibility of this study?
 
  a. The local region has a high percentage of families that could participate in the study.
  b. Potential study subjects represented less than 1 of hospital admissions during the year previous to the study.
  c. Study participants who were hospitalized children younger than 5 years could not give direct informed consent to participate in the study.
  d. A comprehensive review of the literature revealed no studies were conducted that examined this question during the past 15 years.

Question 2

Which factor is most likely to be a mediating variable in a study to determine if high doses of vitamin C help reduce the subjects' susceptibility to influenza?
 
  a. The subjects' use of influenza vaccine
  b. The subject' knowledge of vitamin C's functions
  c. The gender of the potential subjects
  d. The marital status of the potential subjects



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kescobar@64

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Answer to Question 1

ANS: B

Feedback
A The wide availability of subjects could positively affect the feasibility of the study.
B Feasibility refers to the pragmatic considerations of a study (e.g., availability of subjects, cost).
C Informed consent for children would not affect availability of subjects.
D Lack of previous studies would suggest a need for the study but does not influence feasibility.

Answer to Question 2

ANS: A

Feedback
A An extraneous or mediating variable is one that interferes with the operations of the variables being studied, such as the study's outcome, which is susceptibility to influenza.
B A subject's knowledge of vitamin C's functions is not likely to act as a mediating variable in this study.
C The gender of participants is not likely to act as a mediating variable in this instance.
D The marital status of subjects is not likely to act as a mediating variable in this scenario.





 

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