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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Linhlinh Linhlinh
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6 years ago
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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6 years ago
ANS: A

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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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