Popular sources are intended for a wide, general audience. They use understandable, non-technical language and are often reviewed by a single editor before publication.
Some examples of popular sources include:
Scholarly sources are intended for a specialist audience, and their purpose is to present new research in a certain field. They are written by experts in the field and are peer-reviewed by other experts. These sources often contain technical language and are written for those who are knowledgeable about a subject already.
Some examples of scholarly sources include: