Article 2: Lougheed, J. P., Main, A., & Helm, J. L. (2020). Mother–adolescent emotion dynamics during conflicts: Associations with perspective taking. Journal of Family Psychology, doi:http://dx.doi.org/10.1037/fam0000632o.
Scholarly articles (published in scholarly journals) are reviewed by experts before they are published.
Popular articles (published in newspapers, magazines, and other sources) are not reviewed by experts, but may be extensively researched and/or fact-checked, depending on the publication.
e.g results of a clinical trial to treat ADD by modifying diet
e.g. book about ways to treat childhood ADD without drugs
Source: Research Help: Primary vs Secondary Sources. Randolph Memorial Library, Borough of Manhattan Community College. http://lib1.bmcc.cuny.edu/help/sources.html
Popular articles from credible sources are considered "Serious, not Scholarly". They are published in magazines like Newsweek, Scientific American, Prevention, etc. They can also be found in newspapers and reference sources.
Original research articles are based on an experiment or study. They will have a methodology section that tells how the experiment was set up and conducted, a results or discussion section, and usually a conclusion section.
In psychology courses, you are often asked to find empirical articles. Empirical articles are original research articles.
Review articles are written to bring together and summarize the results/conclusions from multiple original research articles/studies. They will not usually have a methodology section, and they generally have very extensive bibliographies.