CDISC-Gloss – Any testing that takes place outside of the developer’s-controlled environment. NOTE: Terms such as beta test, site validation, user acceptance test, installation verification, and installation testing have all been used to describe user site testing. User site testing encompasses all of these and any other testing that takes place outside of the developer’s-controlled environment. [from General Principles of software Validation; Final Guidance, section 5.2.6]