Variable Details:


Davis, Fred D. (1993), "User Acceptance of Information Technology: System Characteristics, User Perceptions and Behavioral Impacts", International Journal of Man Machine Studies, 38, 475-487.




  • Using electronic mail improves the quality of the work I do.
  • Using electonic mail gives me greater control over my work.
  • Electronic mail enables me to accomplish tasks more quickly.
  • Electronic mail supports critical aspects of my job.
  • Using electronic mail increases my productiviy.
  • Using electronic mail improves my job performance.
  • Using electronic mail allows me to accomplish more work than would otherwise be possible.
  • Using electronic mail enhances my effectiveness on the job.
  • Using electronic mail makes it easier to do my job.
  • Overall, I find the electronic mail system useful in my job.