How can a nurse researcher most accurately use the technique of power analysis?
A) To estimate sample size
B) To establish sampling strata
C) To assign subjects randomly
D) To analyze sample representativeness

Question

Quizplus · Accepted Answer

Correct A: Power analysis is a statistical procedure used to estimate needed sample size.
Incorrect B: Sampling strata would be determined by knowledge of population strata.
Incorrect C: A table of random numbers (or a computer program)can be used to assign subjects randomly.
Incorrect D: Sample representativeness is not determined by power analysis.

How Can a Nurse Researcher Most Accurately Use the Technique