A primary source is original or new material on which other research is based. A secondary source analyzes, evaluates, re-packages, summarizes or reorganizes information reported by researchers in the primary literature. Many books including textbooks, newspaper or magazine articles, encyclopedias, and scholarly review articles are examples of secondary sources.
Primary Sources | Secondary Sources |
---|---|
Data & statistics | Encyclopedias |
Original research findings | Magazine articles |
Speeches and interviews | Books unless written at the time of the event |
Diaries | Textbooks |
Photographs | Analysis of research or an event |
Autobiographies | Biographies |
Government documents and public records | Review articles |
Newspaper articles reporting facts about an event | Newspaper articles interpreting an event |