Caverly, T.J., Fagerlin, A, & Wiener, R.S. (2018, January 22). Comparison of observed harms and expected mortality benefit for persons in the Veterans Health Affairs Lung Cancer Screening Demonstration Project.

Caverly, T.J., Fagerlin, A, & Wiener, R.S. (2018, January 22). Comparison of observed harms and expected mortality benefit for persons in the Veterans Health Affairs Lung Cancer Screening Demonstration Project. JAMA Internal Medicine.

1. What research questions are addressed in this study and what is their purpose?

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2. What type of research design was used (experimental, quasi-experimental, correlational) in this study and what led you to your decision?

3. Are the instruments in this study valid and reliable, why or why not?

4. Discuss the specific results of each of the ANCOVAs (analysis of covariance) done in this study. What was the purpose of”each” of the ANCOVAs? What was the covariate in each and why did they do an ANCOVA in each case (5 points)?

5. In the Tables, results are presented, Please explain the tables and summarize the results.

6. Explain, in simple language, any significant results of this study?

7. Identify and discuss any threats to internal and/or external validity in this study.

8. If you could redesign this study correcting anything you have found wrong with the research, what would you correct and how would you do it?