Table 4 Relationships between components, domains, implementability determinants, and intervention functions
COM-B component | TDF (v2) domain | Implementability determinant | Relevant intervention - example |
|---|---|---|---|
CAPABILITY - Psychological | Knowledge | Knowledge of and acceptability of task-shifting rationale | Education |
Professional role and identity | Dynamic role boundaries | Enablement | |
- Physical | Skills | Technical skills to perform biopsies/aspiration | Training Enablement |
MOTIVATION - Reflective | Beliefs about consequences | Beliefs about consequences s.a. outcome efficiency; outcome quality, job satisfaction | Education |
Beliefs about capabilities | Beliefs about capabilities s.a. technical, communicative and emotional skills | Education | |
Reinforcement | Job satisfaction/Esteem | Education, incentivation | |
Optimism | Organisational culture Team positivity | Education, incentivation | |
- Automatic | Emotions | Fear of informal nurse hierarchy Envy | Environmental restructuring |
OPPORTUNITY - Physical | Environmental context and resources | Project planning and leadership • Structured training • Time to practice • Voluntariness | Enablement Environmental restructuring |
- Social | Social influences | Patient preferences | Education |