Define validity and reliability and explain if you have any concerns about the reliability and validity of data used in this study.

Analyzing Changing Data and Definitions

For this Assignment, you will analyze how public health data and definitions have changed over the past decade, and you will evaluate the consistency and reliability of this data.

To prepare:

• Review the article: Why Do Americans Have Shorter Life Expectancy and Worse Health Than Do People in Other High-Income Countries? By Mauricio Avendano and Ichiro Kawachi (2014) at

By Day 7

Submit a 2-page analysis and your critique of the paper (not including title page, references, or tables). Include the following:

• What data sources were used in this study?

• Did the authors use secondary data or collected primary data?

• What variables (dependent, independent, and covariates) were included?

• What specific trend is being examined?

• Did the authors find any specific trend? and if yes, what you can say about the future of this condition based on their trend analysis?

• Define validity and reliability and explain if you have any concerns about the reliability and validity of data used in this study.

Support your suggestions with additional scholarly resources. Use APA 7 formatting for your paper and to cite your resources.

Resources to use to support the critique of the article (must use 3 below):

Shi, L., & Johnson, J. A. (Eds.). (2014). Novick & Morrow’s public health administration:

Principles for population-based management (3rd ed.). Burlington, MA: Jones & Bartlett.

• Chapter 15, “Public Health Surveillance” (pp. 313–341)

Health Catalyst. (2015). What is population health management? Retrieved from