How To Identify Scholarly Journal Articles

A cartoon character introduces this short video from the series entitled Research Minutes, produced by the Olin Library at Cornell.

To identify scholarly articles, viewers are instructed to look for an abstract, the institutional affiliations of the authors, any specialized vocabulary, the presence of graphs and stats, and a bibliography. What are some of the characteristics of scholarly articles?

How can a student find scholarly articles? How are magazines and newspapers different from scholarly sources?