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| 10 Oct 2025 | |
| Statistical Policy Directives |
Its goal is to ensure that federal surveys produce accurate, reliable, and reproducible statistics.
The directive recommends using probability-based sampling, minimizing nonresponse bias, and adopting modern survey technologies where appropriate. Agencies must document their methodologies transparently to allow external evaluation and validation.
“SPD-3 raises the bar for statistical quality and methodological rigor,” said Dr. Lisa Nguyen, a federal survey expert. Proper implementation of SPD-3 helps policymakers make decisions based on sound evidence.
