1. Is it clear who ordered and financed the poll?
2. Is there a report documenting the poll's procedures?
3. Is the target population clearly described?
4. is the questionnaire available and has it been tested?
5. what were the sampling procedures?
6. What is the number of respondents?
7. Is the response percentage sufficient?
* it is difficult to say what percentage is sufficient. Higher response percentages do not automatically lead to better data quality. 10 or 20 % is however too low.
8. Have the data been weighted?
9. Are the margins of error being reported?