Definitions for "secondary research"
Examining or reading about someone elses research (either primary or secondary), such as in a library.
Use of documentation that has been undertaken by other organisations, e.g. tourism reports, primary research by other arts groups.
Secondary research utilises data sources that already exist. The technique used to collect the information is called desk research (for a definition please see desk research). Using the web or visiting libaries would be two forms of desk research.