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Evaluating Sources: Types of Sources

Primary, Secondary, and Tertiary Sources

When conducting research, you need to know the different types of resources available and when to use them.

Resources can generally be divided into primary, secondary, and tertiary sources.

Let’s break these down to help you choose the right resource for your needs.

Popular, Trade, and Scholarly: What's the Difference?

Knowing the difference between popular, trade, and scholarly sources can help you find the right information for your research. Each type of source is made for a specific audience and purpose.

Here’s an easy guide to help you decide which one to use:

Feature  Popular Sources  Trade Sources Scholarly Sources
Audience General public Industry professionals and practitioners Academics, researchers, students
Purpose Inform, entertain, or persuade Provide industry news, trends, and advice Share research findings or advance knowledge
Author Journalists, bloggers, or named authors Industry professionals or journalists Experts in the field, often with credentials
Content General information, often opinion-based Practical, job-focused, may include case studies In-depth research, includes references
Structure Mostly informal Semi-formal, often uses technical language Formal, peer-reviewed
Examples Magazines, newspapers, blogs Trade magazines, industry reports Academic journals, conference papers

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