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Nursing Research Quiz - 30
Multivariate Analysis
This page was last updated on July 1, 2012
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1. Which of the following statements are true about survival analysis?

A. Survival analysis has a dichotomous (binary) outcome

B. Survival analysis analyzes the time to an event

C. Kaplan-Meier curves applied in survival analysis

D. Cox proportional hazards models are used in interpreting results.

Answer Key

2. Structural Equation Modeling (SEM) is also known as:

A. LISREL

B. Cluster analysis

C. Factor analysis

D. Correspondence Analysis

Answer Key

3. A regression-based procedure for testing causal models, typically using non-experimental data:

A. Cohen's kappa

B. Factor analysis

C. Path analysis

D. Multitrait-multimatrix method

Answer Key

4. A correlation present in different groups is reversed when the groups are combined which is often encountered in social-science and medical-science statistics:

A. Simpson's paradox (Yule–Simpson effect)=

B. Guttman Model

C. Cronbach’s α

D. Kendall's Coefficient of Concordance

5. Which of the following is NOT true about Bland Altman technique?

Bland Altman technique,

A. suggests that if the differences are within the mean ± 1.96 S.D. are not clinically significant, the two measurement methods may be used interchangeably.

B. is employed to assess agreement between two methods of clinical measurements.

C. may be constructed to assess agreement between finger stick and earlobe glucose results.

D. may be employed to calculate internal consistency of a scale.

Answer Key

6. . What is NOT true about statistical power?

A. In Statistical Power, effect size is also known as Cohen’s d

B. Statistical power is used to explain the cause of an effect.

C. Statistical power reflects the power to detect a genuine effect 80% of the time.

D. Statistical power reflects the sensitivity of our test.

Answer Key

7. What is NOT true about effect size?

A. ES is required to determine the sample size.

B. Thresholds of >0.2 (small), >0.5 (moderate) & >0.8 (large) are suggested for effect size for a two-group comparison (Cohen) .

C. Effect size shows us the magnitude of our effect relative to SD.

D. Effect size is independent of sample size.

Answer Key

8. A reliability index that estimates the homogeneity of a measure composed of several items or subparts:

A. Tukey's Test for Nonadditivity

B. Spearman's correlation coefficient

C. Cronbach’s α

D. Intra-class correlation coefficient

Answer Key

9. Intra-class correlation coefficient (ICC) is calculated:

A. Construct Validity

B. Test–Retest Reliability

C. Criterion Validity

D. Inter-rater Reliability

Answer Key

10. Kuder-Richardson formula is a method of calculating:

A. internal consistency reliability for a rating scale when the items are dichotomous=

B. internal consistency reliability for a rating scale when the items are continuous

C. inter-rater reliability

D. test-retest reliability

Answer Key copyright@ currentnursing.com

1. A, B, C, D 2. A 3. C 4. A 5. D
6. B 7. D 8. C 9. D 10. 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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