This article presents the serious trade-offs when using primary data or secondary data. It also discusses the high price you pay for primary data and where your data comes from. Site maintained by Data and Program Library Service.

This web site hosted by University of Illinois offers a step-by-step guide to conducting a social profile for watershed planning. The article discusses data collection in the case of Watershed Management. It covers primary and secondary data and triangulation method for cross-checking data.

This tutorial presents a detailed definition of both primary and secondary data along with methods of marketing research. Site maintained by the University of Arkansas.

Detailed definition of primary and secondary data is featured including examples of both. Site maintained by Bowling Green State University.

Avoiding some common errors when using secondary data is the topic of this slide show. Brief definitions and types of primary and secondary data are given along with some advantages and disadvantages of using both types of data. Site maintained by Staffordshire University.

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