1. Identifying Data from Secondary Sources

   Explore one of the following websites and answer the questions below. Note

2. CDC: National Health and Nutrition Examination Survey (NHANES): https://www.cdc.gov/nchs/nhanes/index.htm (Links to an external site.)
3. CDC: Behavioral Risk Factor Surveillance System (BRFSS): https://www.cdc.gov/brfss/ (Links to an external site.)
4. CDC: National Health Interview Survey (NHIS): https://www.cdc.gov/nchs/nhis/index.htm (Links to an external site.)
5. CDC: United States Cancer Statistics (USCS): https://www.cdc.gov/cancer/uscs/ (Links to an external site.)
6. CDC Vital Statistics: https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm#Downloadable (Links to an external site.)
7. EPA: Air Quality Index: https://www.epa.gov/outdoor-air-quality-data (Links to an external site.)
8. EPA: Toxic Release Inventory: https://www.epa.gov/toxics-release-inventory-tri-program (Links to an external site.)
9. The World Bank: https://datacatalog.worldbank.org/home (Links to an external site.)
10. WHO: World Health Organization: https://www.who.int/data/gho (Links to an external site.)
11. UNICEF: https://data.unicef.org/

1. Which website did you choose to explore?

2. What type of data is provided through this website? (i.e. environmental data, clinical data or health measures, behavioral data, etc.)

3. What additional information can you find on the data? Provide a brief description of the data information available (i.e. data collection method, study population, etc.). Was this information easy to locate?

4. Does the site report measures of validity or reliability for the data? If so, what are they?

5. Are their any ethical claims or concerns regarding the collection or analysis of this data? If so, briefly state the main concerns.

6. In your opinion, what are the strengths of this data and/or database? What are the limitations (weaknesses) of this data and/or database?