Peer-reviewed or refereed journals have an editorial board of subject experts who review and evaluate submitted articles before accepting them for publication. A journal may be a scholarly journal but not a peer-reviewed journal.

Which type of journal is peer-reviewed?

Peer-reviewed (refereed or scholarly) journals - Articles are written by experts and are reviewed by several other experts in the field before the article is published in the journal in order to ensure the article's quality. (The article is more likely to be scientifically valid, reach reasonable conclusions, etc.)

Why are journal articles peer-reviewed?

Peer review (also known as refereeing) is a process where other scholars in the same field (peers) evaluate the quality of a research paper before it's published. ... The purpose of peer review is to maintain the integrity of research and to ensure that only valid and quality research is published.