Probability samples in any scope – national, state, local or specific to groups or social segments and consumption.
Personal interviews: home, central location, and others.
Telephone interviews (CATI) and internet
- Group discussions
- In-depth interviews
- Observation and ethnographic experiences
- Projective techniques
- Cognitive techniques
- Conflict situations
INTERATION OF QUALITATIVE AND QUANTATIVE STUDIES:
The interface between the two methodologies enables a deeper knowledge of the issues to be investigated.