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2021 Methods and Sources
The documents linked below detail the steps in our evidence review method; the process for determining state’s progress toward adopting and implementing policies and strategies, including all state-specific source notes; and the calculation and data source information for the outcomes and demographics presented in all Prenatal-to-3 Policy Impact Center materials. The information available here will continue to evolve as we update state-specific information, identify new evidence-based policies and strategies, and process new measures that facilitate tracking state progress.
- Methods and Sources Used to Determine State Progress
- Effective Policies
- Effective Strategies
- Methods and Sources Used to Track State-Level Indicators of Child and Family Wellbeing
- Methods and Sources Used to Calculate State-Level Demographic Characteristics of the PN-3 Population
- Additional Methods and Sources Notes