A Theoretical Extension of the Technology Acceptance Model : Four Longitudinal Field Studies
Development of an Instrument to Measure the Perceptions of Adopting an Information Technology Innovation
Perceived Usefulness, Perceived Ease of Use, and User Acceptance of Information Technology
Predicting User Intentions: Comparing the Technology Acceptance Model with the Theory of Planned Behavior
Informal social communication.
A study of normative and informational social influences upon individual judgement.