A nurse researcher can most accurately use the technique of power analysis to do what?
a. To estimate sample size
b. To establish sampling strata
c. To assign subjects randomly
d. To analyze sample representativeness
ANS: A
Feedback
A Power analysis is a statistical procedure used to estimate needed sample size.
B Sampling strata would be determined by knowledge of population strata.
C A table of random numbers (or a computer program) can be used to assign subjects randomly.
D Sample representativeness is not determined by power analysis.
You might also like to view...
A 5-year-old who has an imaginary friend with whom he converses frequently is displaying characteristics consistent with which of Piaget's stages of cognitive development?
a. Operational stage b. Preoperational stage c. Formal operations stage d. Concrete operations stage
A client scheduled for complex heart surgery has been reading the Bible for hours each day, cries often, and is not sleeping well. What might these observations cue the nurse about the client?
A) These behaviors are expected before major surgery. B) These behaviors are signs of spiritual distress. C) Family members live far away and the client is lonely. D) The client is naturally emotional and reactive.
The nurse is treating a client who is experiencing cardiac symptoms of shock. Which medication does the nurse anticipate because of its ability to increase the force of myocardial contraction?
1. Crystalloids 2. Colloids 3. Inotropic drugs 4. Vasopressors
A nurse is reviewing the plan of care for a client and notes the following: "The client verbalizes three signs of hypoglycemia to the staff accurately before discharge." The nurse interprets this statement as a(n):
A) Nursing Diagnosis B) Outcome criteria C) Intervention D) Client outcome