Jan09.zip

• Sample Design: Dual-frame RDD sample includes landline and cell-only households.
• Weighting:
• WEIGHT: For full sample analysis.
• LLWEIGHT: For landline-only subsample.
• COWEIGHT: For landline + cell-only subsample (excludes dual users).
• Geographic Variables:
• Based on self-reported ZIP codes.
• Original sample geography retained with prefix s for archival use.
• Privacy Protocols: ZIP codes, counties, and phone numbers removed from public dataset.
• Contextual Relevance: Captures public sentiment during a major political transition and economic uncertainty following the 2008 financial crisis.

Would you like me to help you build a timeline of January political surveys from 2008 to 2020, highlighting shifts in public priorities and methodological evolution? It could be a powerful reference for your metadata curation and content strategy.