https://www.123articleonline.com/rss/author/278006/hruska-williamArticles written by hruska william from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1183410/what-is-the-difference-between-uat-sit-and-unit-testing-who-performs-them In the software testing methodology, there are a number of testing phases having significant importance and purposes. From the initial Unit Testing to the final stage of User Acceptance Testing (UAT), each phase is important for achieving a quality-assured software.