Table 1 Example feasible domains and brief definitions in pilot feasibility studies
From: Applying mixed methods to pilot feasibility studies to inform intervention trials
Feasibility domains | Definitions |
|---|---|
Recruitment capability | The extent to which study recruitment goals are met |
Randomization | The acceptability of randomization and related procedures |
Retention | The extent to which participants are enrolled in a trial for the duration of the study |
Assessment procedures | The extent to which study assessments can be administered as planned; assessment procedures are acceptable to participants; and data collection is complete |
Implementation resources | The adequacy of resources, including time and costs, required to deliver an intervention and conduct the overall study |
Intervention delivery, adherence, and safety | The extent to which an intervention is delivered as intended (i.e., fidelity); participants’ behavior corresponds with intervention recommendations (i.e., adherence) and can safely be performed (i.e., safety) |
Acceptability | The extent to which an intervention; components of an intervention; and/or study conditions, including a waitlist condition, usual care, or inactive control condition, are satisfactory |