Table 1 Diffusion of Innovation definitions of attributes of an innovation

Relative Advantage

The degree to which innovation is perceived as better than a previous approach

Compatibility

The degree to which an innovation exists with values, past experiences and needs of potential adopters

Complexity

The degree in which an innovation is perceived as difficult to understand and use

Trialability

The degree to which an innovation may be experimented with or trialled on a limited basis

Observability

The degree to which the effects or results of an innovation are visible or able to be observed by the adopter