Information technology (IT) acceptance research has yielded many competing models, each with different sets of acceptance determinants. In this paper, we:(1) review user acceptance literature and discuss eight prominent models, (2) empirically compare the eight models and their extensions, (3)...

Decision support systems continue to be very popular in business, despite mixed research evidence as to their effectiveness. We hypothesize that what-if analysis, a prominent feature of most decision support systems, creates an “illusion of control” causing users to overestimate its...