Article impact refers to...
the process of judging the quality or impact of an article (or other research work) by counting the number of times other authors have cited it in their work. Article impact can be found via databases such as Scopus and Google Scholar.
People usually talk about "citation counts" as being the traditional metric used to determine article impact. On the bottom of the page, see a list of databases the library subscribes to which provide article citation counts.
Selected UND Libraries' databases with limited citation count information for articles
Academic Search Ultimate offers an enormous collection of full-text journals, providing users access to critical information from many sources unique to this database. In addition, it includes peer-reviewed full text for STEM research, as well as for the social sciences and humanities. Scholarly content covers a broad range of important areas of academic study, including anthropology, engineering, law, sciences and more.
Nursing and allied health literature.
Web of Science provides indexing, full text linking, and citation tracking for books and articles from vetted, high quality sources in all disciplines (arts and humanities, social sciences, business and sciences), as well as author, journal, and book metrics. Cited Reference Search includes books, artwork, and other cited works. Analyze results identifies frequent authors, funders, universities, and journals for a search or topic. Now includes Book Citation Index.
EBSCOhost Research Databases (e.g. Academic Search Premiere, PsycINFO, America: History and Life, CINAHL) and Scopus are now employing Plum Analytics' PlumX Metrics, which can be viewed in some databases via the Plum Print and PlumX Metrics (altmetrics) sections of an article result.
Academic Search Premiere (EBSCOhost) article-level view of PlumX Metrics:
Learn more about PlumX Metrics and other altmetric tools: Research Impact - Altmetrics Research Guide.