A Theoretical Extension of the Technology Acceptance Model: Four Longitudinal Field Studies

  title={A Theoretical Extension of the Technology Acceptance Model: Four Longitudinal Field Studies},
  author={V. Venkatesh and Fred D. Davis},
The present research develops and tests a theoretical extension of the Technology Acceptance Model (TAM) that explains perceived usefulness and usage intentions in terms of social influence and cognitive instrumental processes. The extended model, referred to as TAM2, was tested using longitudinal data collected regarding four different systems at four organizations ( N = 156), two involving voluntary usage and two involving mandatory usage. Model constructs were measured at three points in… 

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