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Before starting to work on a project interviewers undergo an intensive training program:
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The principles of sampling
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Fieldwork methods and questionnaire flow / structure
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Interviewing techniques, including initial approaches and probing
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Interviewers undergo pilot interviewing session:
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On a first assignment, each interviewer is accompanied by a fieldwork supervisor
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Interviewers are given a personal detailed briefing on the questionnaire and any special requirements before each wave of fieldwork
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For each project, a fieldwork supervisor is assigned
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Weekly to daily – depending on client requirements – status are sent to client to monitor field and quota completion