Observability

"Can I watch someone else using it before I decide whether to adopt?"
__Observability__ pertains to the intended adopter's ability to actually see the innovation being used by others. This "vicarious trialability" makes that attribute less critical for later adopters of an innovation, but significantly more important to innovators and early adopters.

Taken from page 58 of

Ellsworth, J.B. (2000). Surviving change – a survey of educational change models. (ERIC Clearing House on Information and Technology, Syracuse, NY. (ED443417)