Nursing Research Quiz  24
Nursing Research Quiz  24
Ethics/Power Analysis
1. Declaration of Helsinki (1964/1975) is related to:
A. Qualitative research
B. Genetics research
C. Ethical standards in research
D. Statistical methods in research
Answer Key

2. "Above all, do no harm".
This principle encompassed in the ethical dimension
of:
A. Human dignity
B. Justice
C. Beneficence
D. Anonymity
Answer Key

3. Three factors are important regarding the rights of
the participants include all except:
A. Confidentiality
B. Anonymity
C. Voluntary participation
D. Jurisprudence
Answer Key

4. When the researcher is not allowed
control of the treatment variable and cannot achieve
randomization because of ethical considerations,
institutional policies or other situational factors, the
researcher chooses:
A. True experimental studies
B. Quasi experimental studies
C. Exploratory studies
D. Qualitative studies
Answer Key

5. Factors affecting power include:
A. . Size of the effect
B. Standard deviation of the characteristic
C. Bigger sample size
D. Significance level desired
E. All of the above
Answer Key

6. A descriptive metric that characterizes the
standardized difference (in SD units) between the mean
of a control group and the mean of a treatment group is:
A. Effect size
B. LSD
C. Beta
D. Chisquare
Answer Key

7. The power of a statistical test is influenced by:
A. Size of the effect
B. Sample size
C. Beta (β)
D. All of the above
Answer Key

8. Which of the following statements about power of a
test is FALSE?
A. Power of the test refers to probability of
detecting a predefined clinically significant
difference.
B. Power of a test explains the risk of a
falsepositive finding
C. Power of the test is usually set at (120%) 80%
D. Power = 1  β
Answer Key

9. A statistical expression of magnitude of
relationship between two variables or magnitude of
difference between two groups:
A. Effect size
B. Eigenvalue
C. pvalue
D. zscore
Answer Key

Answer Key
1. C 
2. C 
3. D 
4. B 
5. E 
6. A 
7. D 
8. B 
9. A 

References
 Polit H, Beck C T. Nursing research. 8th ed. New Delhi: Williams
and Wilkins; 2008.
 Burns N, Grove S K. Understanding nursing research. 4th ed. New
Delhi: Elsevier; 2007.
 Park JE, Park K. Text Book of Preventive and Social
Medicine. 19th Edition. Jabalpur: M.S. Banarsidas Bhanot; 2007.
 Questions from entrance examinations relevant to nursing conducted
in India. (NIMHANS/AIIMS/Manipal/Kerala/All India etc..)
 Cohen J. Statistical Power Analysis for the Behavioral Sciences.
Erlbaum, Hillsdale, NJ; 1988.
This page was last updated on:31/08/2020