作者: Roger Ehrich , Andrea Kavanaugh , Jason S. Snook
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摘要: Each year, companies will spend millions of dollars developing or migrating to new software systems in their business processes. Much the focus development and implementation has been based upon customer need (i.e., requirements), rightly so. Equally important requirements, however, are users' perceptions software. Does a user actually think piece would help them meet identified? it be easy for implement this as solution? What do people around how does that opinion affect theirs? It is understand what factors determine whether potential adopt application much they use it? A commonly used model explaining Technology Acceptance Model. Davis (1989) found subjective belief about system most closely related actual intention it. Specifically, uses Perceived Usefulness Ease Use Model statistically. Neither these views formed by isolation. The opinions behavior others can potentially exert great deal influence on an individual's perception factors. himself points out omission social original was due measurement difficulties rather than its value model. Difficulty measuring evidenced lack definitive scale influence. By common many studies, Subjective Norm become “defacto standard” but not resulted consistently significant measure goal current study two-fold. primary incorporate validated into which preserves model's parsimony while significantly increasing explained variance. Secondarily, doing so, modified Norms verified tested. In response recognized shortcoming Norm, cognitive element included scale. In modification developed existing research topic. augmented proposed tested over four surveys. Two chosen because nature use; one (Filebox) voluntary, other (Blackboard) compulsory. results survey were consistent across all surveys, with predicting 40% variation every time. Including increased variance R2) survey. verify reliability validity Norm. These studies make strong case including regular future research. Future directions studying resulting also discussed. behavioral valuable tool give developers managers more forethought insight migration specific systems.