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Author Question: Which of the following results from a sample size that is too small? A) Low power to detect a ... (Read 81 times)

jman1234

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Which of the following results from a sample size that is too small?
 
  A) Low power to detect a difference in the outcomes of the two groups
  B) Lack of control over extraneous variables
  C) Limits to random sampling
  D) A weak questionnaire survey tool

Question 2

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



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Awesome

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Answer to Question 1

A
Feedback:
Sampling involves selecting a portion of the population to represent the population. A low power to detect a difference in the outcomes of the two group results from a sample size that is too small. The other answers are not effects of having a sample size that is too small.

Answer to Question 2

A, C, D
Feedback:
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.




jman1234

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Reply 2 on: Jul 8, 2018
Excellent


marict

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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