Which of the following are advantages of using biophysiologic measures in nursing studies? Select all that apply
A) They are relatively accurate and precise
B) They effectively measure subjective experiences such as pain and fatigue
C) They are objective, requiring minimal inference
D) They are typically cost effective because they are available for clinical purposes
A, C, D
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Nurse researchers have used biophysiologic measures for a wide variety of purposes, and these measures have many advantages. They are relatively accurate and precise, objective, not easily distorted by patients, and valid. However, they cannot effectively measure subjective experiences such as pain and fatigue; a visual analog scale would be more appropriate for that.
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