SMART Tool
The SMART Tool helps developers of health economic models make smart choices about how simple or complex their models should be. It guides them to justify their choices so the model is clear, valid, and just complex enough to answer the health decision being studied.
At a glance
Use when
Developing new health economic models, reviewing existing models, or needing to justify modelling choices to stakeholders or regulators
Avoid when
Working outside of decision-analytic modelling contexts or when only basic cost calculations are needed
Inputs
Modelling choices for 28 predefined decision-analytic model features, including structural, parameter, and methodological assumptions
Outputs
Assessment of the consequences of modelling choices on model validity and transparency; structured documentation of justifications for each choice
How it works
SMART (Systematic Model adequacy Assessment and Reporting Tool) is a structured framework consisting of 28 decision-analytic model features. For each feature, users select between simpler or more complex modelling choices and assess the implications for model validity and transparency. The tool includes a glossary to ensure consistent interpretation and supports systematic reporting and justification of modelling decisions during model development or evaluation.
- Project
- REPO4EU
- Funding
- Horizon Europe
- Project status
- Ongoing
- HTA domains
- Costs & Economic Evaluation
- Technology
- Non-specific
- Assumptions
- The tool assumes that modellers have sufficient expertise to understand and apply the 28 model features and that the decision context is clearly defined prior to using the tool
- Strengths
- Promotes transparency, consistency, and justification in model development; based on expert input and literature; includes a glossary to support standardised use; applicable across different disease areas and interventions
- Limitations
- Requires prior understanding of decision-analytic modelling concepts; does not automate model building or validation; application may add time to early model development phases
- Also known as
- Systematic Model adequacy Assessment and Reporting Tool
Questions this answers
- › How can I make sure my health economic model isn't too simple or too complex?
- › What modelling choices should I justify when building a decision-analytic model?
- › How do my modelling choices affect the validity of my results?
- › Can I improve transparency in my model development process?
- › What are the consequences of simplifying a model feature in a cost-effectiveness analysis?
- › How can I document modelling decisions systematically for reviewers or stakeholders?
Related methods
Similar by meaning
Beta record. Generated from the primary source via AI extraction and independent audit, pending final human review.

