- Relative advantage ... the perceived superiority of an innovation over the current product or solution it would replace. This advantage can take the form of economic benefits to the adopter or better performance.
- Compatibility ... the perceived fit of an innovation with a potential adopter’s exiting value, know-how, experiences, and practices.
- Complexity ... the extent to which an innovation is perceived to be difficult to understand or use The higher the degree of perceived complexity, the slower the rate of adoption.
- Trialability ... the extent to which a potential adopter can experience or experiment with the innovation before adopting it The greater the trialability, the higher the rate of adoption
- Observability ... the extent to which the adoption and benefits of an innovation are visible to others within the population adopters. The greater the visibility, the higher the rate of adoption by those who follow.
- Functional performance ... an evaluation of the performance of the basic function
- Acquisition cost ... initial total cost
- Ease of use ... use factors
- Operating cost ... cost per unit of service provided
- Reliability ... service needs and useful lifetime
- Serviceability ... time and cost to restore a failed device to service
- Compatibility ... fit with other devices within the system
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