PRE :
- Interviewer and supervisor training
- Complete briefing notes given
- Pilot interviews under the supervision of the project manager
- Accompaniments during pilots to ensure quality
DURING
- Spot checking the interviewers while in the field
- Back checking of each interviewers work
- Initial questionnaire check
- De-brief after every day of fieldwork
POST :
- Data consistency
- Internal data validation
- Call backs
- 100% editing of questionnaires