Acceptability | The perception among implementation stakeholders that an innovation is agreeable, palatable or satisfactory | | Early, mid and late stage |
Adoption | The intention, initial decision or action to employ an innovation. | | Early and mid-stage |
Appropriateness | The perceived fit, relevance or compatibility of the innovation for a given setting and fit to address a particular problem. | | Early stage |
Feasibility | The extent to which an innovation can be successfully used or carried out within a particular setting. | | Early and mid-stage |
Fidelity | The degree to which an intervention was implemented as prescribed in the original protocol or as intended. | Includes adherence, quality of delivery, programme component differentiation, exposure to intervention and participant involvement
| Early and mid-stage |
Implementation cost | The cost impact of an implementation effort. | | Early, mid and late stage |
Penetration | The integration of a practice within a service setting and its subsystems. | | Mid-stage and late stage |
Sustainability | The extent to which a newly implemented innovation is maintained. | | Late stage |