Theoretical Domains Framework (TDF)
Theoretical Domains Framework (TDF): A 14-Domain Behavioral Change Model for Understanding Implementation Barriers and Designing Interventions · Also known as: TDF, theoretical domains, behaviour change framework
The Theoretical Domains Framework (TDF) is a 14-domain model that integrates constructs from 33 behavior change and implementation theories to identify barriers and facilitators to professional and public behavior change. Developed by Michie et al. (2005) to provide a practical tool for implementation scientists and behavior change specialists, the TDF helps systematically assess 'why' healthcare professionals or patients do (or do not) adopt evidence-based practices, and guides the design of tailored behavior change interventions.
Read the full method
Sign in with a free account to read this section.
Method map
The neighbourhood of related methods — select a node to explore.
When to use it
Use TDF to: (1) Diagnose barriers and facilitators to professional or patient behavior change before designing interventions. (2) Design theory-informed, evidence-based behavior change interventions (pair TDF assessment with Behavior Change Wheel to map domains to intervention functions). (3) Evaluate which behavior-change mechanisms are most important in your setting (e.g., social influences vs. individual motivation). (4) Compare barriers across different professional groups or settings (e.g., why do some clinics adopt a guideline while others do not?). (5) Troubleshoot failed implementation ('we did education but adoption is still low'—TDF analysis may reveal the barrier is not knowledge but environmental or social). Do not use TDF as a one-time checklist; repeat TDF assessment post-implementation to track whether targeted interventions addressed the identified barriers.
Strengths & limitations
- Comprehensive integration of 33 behavior-change theories into 14 actionable domains reduces theory overload and guides practical intervention design.
- Extensively validated across healthcare domains (prescribing, infection control, mental health, primary care, surgery, public health). Lawton et al. (2016) systematic review found 100+ applications by 2016.
- Flexible: applicable to professional behavior change (guideline adherence), patient behavior change (medication adherence, lifestyle change), and public health behavior (vaccination, screening).
- Paired with the Behaviour Change Wheel (Michie et al. 2011) provides both diagnostics (TDF: what are the barriers?) and prescriptive guidance (BCW: what interventions address them?).
- Reduces implementation failure from 'our education didn't work' to targeted problem-solving ('education addressed Knowledge, but the real barrier was Environmental Context, so let's fix the workflow').
- Assessment requires qualitative data collection (interviews, focus groups) or lengthy surveys, which is time- and resource-intensive for large populations.
- Domains overlap conceptually (e.g., Motivation and Goals, Intentions, Beliefs about Consequences) making clear boundaries difficult; careful training is needed for consistent coding.
- Evidence on TDF-guided interventions vs. ad hoc interventions is limited; few RCTs compare outcomes. Most TDF use is observational/descriptive.
- Some domains (e.g., Nature of Behavior—automatic vs. deliberate) are conceptually abstract and difficult to operationalize in assessment.
- The framework is a diagnostic tool; it does not prescribe specific interventions. Practitioners must then use the BCW or similar framework to translate TDF findings into intervention strategies.
Frequently asked
How is the TDF different from CFIR?
TDF focuses on individual and team-level behavior change—why does a clinician do or not do a specific behavior? CFIR focuses on organizational context—what in the setting supports or hinders implementation? They are complementary: TDF explains the mechanism ('clinicians don't adopt because they doubt the benefit'), CFIR explains the context ('the organization lacks resources to support it'). Many studies use both: CFIR to understand the organizational readiness, TDF to understand clinician behavior within that context.
Can I assess the TDF using surveys instead of interviews?
Yes. Online or paper surveys can include TDF domain-specific items (e.g., 'I have the skills to perform this behavior' for Skills, 'my colleagues do this' for Social Influences). However, interviews and focus groups are preferred because they allow exploration of unexpected barriers and depth. Many studies use a mixed approach: surveys for breadth, interviews with a subset for depth.
If a domain is a barrier, what kind of intervention should I use?
That depends on the specific domain. Knowledge barriers → education. Skills barriers → training, coaching. Beliefs about Consequences barriers → persuasive messaging, evidence, testimonials. Environmental Context barriers → systems change, workflow redesign. Social Influences barriers → peer champions, modeling. See the Behaviour Change Wheel (Michie et al. 2011) for a comprehensive mapping of TDF domains to intervention functions.
How many people should I interview for a TDF assessment?
Aim for 20-40 interviews to reach thematic saturation (no new barrier themes emerging). For homogeneous groups (e.g., all nurses in one unit), 15-20 may suffice. For diverse groups (e.g., doctors and nurses and patients), interview subgroups separately. Conduct interviews until saturation, not a fixed number.
Sources
- Michie, S., Johnston, M., Abraham, C., Lawton, R., Parker, D., & Walker, A. (2005). Making psychological theory useful for implementing evidence based practice: A consensus approach. Quality and Safety in Health Care, 14(1), 26-33. DOI: 10.1136/qshc.2004.011155 ↗
- Atkins, L., Francis, J., Islam, R., O'Connor, D., Patey, A., Ivers, N., ... & Michie, S. (2017). A guide to using the Theoretical Domains Framework (TDF) to develop interventions to change professional practice and public health behaviour: PLOS ONE guide. PLOS Medicine, 14(4), e1002335. link ↗
- Lawton, R., Heyhoe, J., Louch, G., Ingleson, E., Eyles, E., & Clements, J. (2016). Using the Theoretical Domains Framework (TDF) to understand healthcare professionals' behaviour: A systematic review. Implementation Science, 11, 123. link ↗
How to cite this page
ScholarGate. (2026, June 4). Theoretical Domains Framework (TDF): A 14-Domain Behavioral Change Model for Understanding Implementation Barriers and Designing Interventions. ScholarGate. https://scholargate.app/en/implementation-science/theoretical-domains-framework
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Behaviour Change WheelImplementation Science↔ compare
- Consolidated Framework for Implementation ResearchImplementation Science↔ compare
- Implementation Outcome TaxonomyImplementation Science↔ compare
- Knowledge TranslationImplementation Science↔ compare
- Normalization Process TheoryImplementation Science↔ compare