A primary source provides direct or firsthand evidence about an event, object, person, or work of art. Primary sources provide the original materials on which other research is based and enable students and other researchers to get as close as possible to what actually happened during a particular event or time period. Published materials can be viewed as primary resources if they come from the time period that is being discussed, and were written or produced by someone with firsthand experience of the event. Often primary sources reflect the individual viewpoint of a participant or observer. Primary sources can be written or non-written (sound, pictures, artifacts, etc.). In scientific research, primary sources present original thinking, report on discoveries, or share new information.
Examples of primary sources:
Primary Data Sources
Secondary Data Sources
Curry, L. A., Nembhard, I. M., & Bradley, E. H. (2009). Qualitative and Mixed Methods Provide Unique Contributions to Outcomes Research. doi: 10.1161/CIRCULATIONAHA.107.742775
Koziol, N., & Arthur, A. (nd). An Introduction to Secondary Data Analysis CYFS Statistics and Measurement. Romano, P. S. Using secondary data. Department of Medicine and Pediatrics. University of California,.
Shaheen, M., Pan, D., & Mukherjee, S. Secondary data sources for research epidemiological and statistical considerations. Epidemiology and Biostatistics. Charles Drew University of Medicine and Science,
Wang, H. (2013). Data Detective: Finding the Gems of Health Data. Information and Education Services. University of Connecticut Health Center.