The survey is carried out by the Opinòmetre Institute through an online questionnaire, by telephone or face-to-face interviews.The most recent release of this survey was published in November 2024 on the website of the Statistical Institute of Catalonia (IDESCAT).
OPINOMETRE has been accredited with the UNE-ISO 9001 standard for the activity of Conducting surveys and market studies and UNE-ISO 20252 for the activity of Conducting market, mobility and opinion studies, certified by APPLUS and the Code of Conduct CCI/ESOMAR and Insights+ Analytics Spain