Answered By: Steven Profit
Last Updated: Aug 01, 2017     Views: 828

Primary data

Researchers collect the data themselves, using surveys, interviews and direct observations.

Secondary data

Data collected by other entities, such as government agencies or other researchers, that can be accessed and analyzed by researchers who didn't collect it.

For more information visit the Institute for Work & Health's web page What researchers mean... by primary data and secondary data.