Popular articles are the ones you run into everywhere on the internet: CNN, ESPN, HuffPost, Refinery29, BonAppetit. They're written to inform readers on a topic. They're meant to be read front to back, with the most important information towards the front of the article, after the interesting opening written to catch a reader's eye. Written by journalists, these are written for people interested in the topic, but who probably don't have an academic interest or degree in it, i.e. the general public. They contain stories, facts, opinions, people, and dates.
Academic Search Premier is a general database that contains both popular and scholarly articles from a variety of disciplines and sources. Great place to start if you need to confirm the viability of a topic.
The tips in this video will apply to most other EBSCO databases as well, including SocINDEX, ERIC, CINAHL, and more. Subject specific databases like those may have some special features like unique limiters, but otherwise they will function the same way. The name of the database will be listed above the search bar:
LexisNexis/NexisUni is a database containing a wide range of news, business, legal, and reference information, with 2,000 full text journals and magazines.