# Health Data Readiness Level (HDRL) Assessment Framework > The HDRL Framework is an open maturity framework for assessing readiness for trusted, federated health data research. Its first formative application was the 3 Nations Readiness Assessment; Research Data Scotland’s externally hosted Final Report is the authoritative source for assessment findings. ## Framework - [Framework Overview](https://hdrlframework.org/framework/overview/) - [Methodology](https://hdrlframework.org/framework/methodology/) - [Maturity Levels](https://hdrlframework.org/framework/maturity-levels/) - [Indicator Classification](https://hdrlframework.org/framework/classification/) - [Proposed Foundational Indicators](https://hdrlframework.org/framework/foundational-requirements/) ## Domains - [Domain A: Data Coverage & Federation](https://hdrlframework.org/domains/a-data-coverage/) - [Domain B: Data Semantics & Quality](https://hdrlframework.org/domains/b-data-semantics/) - [Domain C: Governance & Access](https://hdrlframework.org/domains/c-governance-access/) - [Domain D: Research Integration](https://hdrlframework.org/domains/d-research-integration/) - [Domain E: Public Trust](https://hdrlframework.org/domains/e-public-trust/) - [Domain F: Sustainability](https://hdrlframework.org/domains/f-sustainability/) - [Domain G: Workforce & Culture](https://hdrlframework.org/domains/g-workforce-culture/) - [Domain H: Infrastructure & Compute](https://hdrlframework.org/domains/h-infrastructure/) ## Citation and Reuse - [Citation and reuse guidance](https://hdrlframework.org/about/) - [CC BY 4.0 terms for the framework methodology and public framework materials](https://creativecommons.org/licenses/by/4.0/) ## Published Assessment - [3 Nations Readiness Assessment context](https://hdrlframework.org/three-nations-assessment/) - [RDS Final Report (PDF; externally hosted by Research Data Scotland and authoritative for assessment findings)](https://www.researchdata.scot/media/icxggzvo/rds-branded-three-nations-readiness-report.pdf) - [RDS publication page (externally hosted)](https://www.researchdata.scot/news-and-insights/new-independent-assessment-highlights-devolved-nations-leading-role-in-health-data-research/)