QSP conducted a study for DECO PROteste Empresas using the CAWI (Computer-Assisted Web Interviewing) methodology. Some of the data collected in this study are now being made publicly available, offering a deeper look into brand certifications.
At QSP, we respect the privacy and confidentiality of our clients and the information we collect. We do not share data or study results, except when the information is public, accessible, or authorized by our clients.