sinopia.

Market Research Institute. Opinion Polls.

Sinopia.quantitative

- Telephone interviews conducted with the CATI system.
- Face-to-face in-home interviews and test center, conducted with CAPI system.
- Self-completed paper questionnaires, or electronic questionnaire (CASI); self-completed diaries.
- Surveys with self-completed questionnaire via web (CAWI).
- Mystery Shopping surveys.