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Nursing Research Quiz - 24
Ethics/Power Analysis
This page was last updated on June 29, 2012

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. Chi-square copyright@ currentnursing.com

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 false-positive finding

C. Power of the test is usually set at (1-20%) 80%

D. Power = 1 - βcopyright@ nursingplanet.com/Quiz/nursing_research_quiz20.html

Answer Key

9. A statistical expression of magnitude of relationship between two variables or magnitude of difference between two groups:

A. Effect size

B. Eignvalue

C. p-value

D. z-score

Answer Key

Answer Key copyright@ currentnursing.com

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

References

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

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