6 In-store interviewing

Questions and principles every client should ask before starting a project, while briefing it and after it has been carried out:

• What steps have to be taken before in-store interviewing begins?
• What must an interviewer meet, and how should they be trained?
• What collection techniques may the interviewing use?
• How is the quality of data collection checked?
• How is compliance with the standard checked?

The standard can be downloaded in full here.