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Table 4 Relationships between components, domains, implementability determinants, and intervention functions

From: Factors perceived to influence implementation of task shifting in highly specialised healthcare: a theory-based qualitative approach

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