Peer review is an academic term for quality control. Each article published in a peer-reviewed journal was closely examined by a panel of experts on the article's topic. These are the author’s professional peers, hence the term peer review.
The reviewers look for proper use of research methods, significance of the paper’s contribution to the existing literature, and integration of previous authors’ work on the topic in any discussion (including citations). Papers published in these journals are expert-approved, and are the most authoritative sources of information for college-level research papers.
Articles from popular publications, on the other hand (like magazines, newspapers or many sites on the Internet), are published with minimal editing (for spelling and grammar, perhaps; but, typically not for factual accuracy or intellectual integrity). While interesting to read, these articles aren’t sufficient to support research at an academic level.
But, with so many articles out there, how do you know which are peer reviewed?
POPULAR | SCHOLARLY | PROFESSIONAL | |
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Purpose | To inform and entertain the general reader | To communicate research and scholarly ideas | To apply information; to provide professional support |
Audience | General public | Other scholars, students | Practitioners in the field, professionals |
Coverage | Broad variety of public interest topics, cross disciplinary | Very narrow and specific subjects | Information relevant to field and members of a group |
Publisher | Commercial | Professional associations; academic institutions; and many commercial publishers | Professional, occupational, or trade group |
Writers | Employees of the publication, freelancers (including journalists and scholars) | Scholars, researchers, experts, usually listed with their institutional affiliation | Members of the profession, journalists, researchers, scholars |
Characteristics |
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Frequency | Frequent, on a daily, weekly, or monthly basis | Less frequent, on a monthly, quarterly, or annual basis | Frequent, on a daily, weekly, or monthly basis |
Examples | Time, US News and World Report, Modern Healthcare | Journal of Acquired Immune Deficiency Syndrome | Institute of Transportation Engineers Journal |
source: Rutgers Journal Types: A Comparative Chart