---
title: Survey Methodology
category: concepts
created: 2026-12-19
updated: 2026-12-19
tags: [survey-methodology, polling, representative-sampling, data-collection, opinion-research, statistical-inference, commission-des-sondages, polling-institutes]
sources: [raw/conversations/2026-06-10-codex-anthropic-motier-hack-87eea696.md, raw/conversations/2026-06-11-codex-anthropic-motier-hack-20778997.md, raw/conversations/2026-06-11-codex-anthropic-motier-hack-b11ff553.md]
confidence: high
---
# Survey Methodology
Scientific approach to collecting representative population data through structured questionnaires and statistical inference techniques. Foundation for opinion polling, market research, and social science research.
## Core Principles
### Representative Sampling
- **Random selection**: Every population member has known probability of inclusion
- **Stratification**: Organizing population into homogeneous subgroups
- **Weighting**: Post-stratification adjustments for demographic representation
- **Non-response handling**: Techniques for addressing incomplete response patterns
### Methodological Standards
- **Sample size calculation**: Statistical power and margin of error considerations
- **Questionnaire design**: Question wording, order effects, and bias minimization
- **Fieldwork protocols**: Interviewer training, quality control, and data collection procedures
- **Statistical inference**: Confidence intervals, significance testing, and uncertainty quantification
## French Regulatory Framework
### Commission des Sondages
**Mandate**: Regulatory oversight of electoral and political opinion polling
**Requirements**:
- Mandatory methodology disclosure for electoral polling
- Sample composition and fieldwork date documentation
- Non-response rate and demographic adjustment reporting
- Since 2026: Coverage includes personality popularity polling within electoral contexts
**Notice System**:
- Public database of polling methodologies at https://www.commission-des-sondages.fr/notices/
- Organized by month/year/theme with detailed methodology documentation
- No official API; requires HTML scraping for systematic analysis
- Includes institute, sponsor, methodology, sample details, and fieldwork information
### Major French Polling Institutes
**Traditional Institutes**:
- **IFOP**: Founded 1938, comprehensive political and market research
- **Ipsos**: International presence, quantitative and qualitative methods
- **Elabe**: Digital-native approach with online panels
- **Harris Interactive**: Online polling specialist with real-time capabilities
**Emerging Players**:
- **OpinionWay**: Independent institute with media partnerships
- **Odoxa**: Healthcare and political specialization
- **Cluster17**: Political polling with segmentation focus
## Data Sources and Archives
### Structured Historical Data
**Wikipedia Electoral Polling Tables**:
- Temporal series with standardized formatting
- Pollster, dates, sample sizes, and candidate scores
- MediaWiki API compatibility for automated extraction
- Historical versions for temporal analysis
**Academic Datasets**:
- **Europepolls** (arXiv:2307.10022): EU-wide polling compilation
- **CDSP**: French political science research infrastructure
- **ESS/ELIPSS**: European and French longitudinal studies
### Accessibility Patterns
- **Government sources**: Generally open with attribution requirements
- **Institute data**: Proprietary, requires licensing agreements
- **Academic archives**: Open for research use with registration
- **Media publications**: Public summaries, limited methodological detail
## Quality Assessment Framework
### Methodology Evaluation Criteria
- **Sample representativeness**: Demographics vs. population parameters
- **Response rate analysis**: Non-response bias assessment and correction methods
- **Question validity**: Wording effects and cognitive testing results
- **Temporal consistency**: Polling house effects and trend stability
### Validation Approaches
- **Cross-institute comparison**: Methodology and result convergence analysis
- **Electoral outcome validation**: Polling accuracy vs. actual vote shares
- **Demographic segment analysis**: Subgroup representation and weighting effectiveness
- **Methodological innovation assessment**: New techniques vs. established practices
## Applications in Synthetic Population Modeling
### Calibration Requirements for MVP Development
**Priority Polling Types**:
1. **Electoral intentions**: Multi-candidate scenarios with demographic breakdowns
2. **Issue positioning**: Policy preferences across demographic segments
3. **Personality approval**: Political figure popularity with temporal variation
4. **Demographic associations**: Voting behavior correlations with census variables
5. **Methodology experiments**: Question wording and sampling technique comparisons
### Integration with AI Systems
- Ground truth validation for [synthetic-opinion-polling](/concepts/synthetic-opinion-polling) systems
- Training data for demographic behavioral modeling
- Bias detection and correction in synthetic agent populations
- Methodology pre-testing through [synthetic-population-modeling](/concepts/synthetic-population-modeling)
## See also
- [synthetic-opinion-polling](/concepts/synthetic-opinion-polling)
- [demographic-data-sources](/concepts/demographic-data-sources)
- [french-public-data-ecosystem](/concepts/french-public-data-ecosystem)
- [synthetic-population-modeling](/concepts/synthetic-population-modeling)