• A decentralized approach to train interviewers so that each    interviewer is properly trained.
• Trained supervisors who repeatedly monitor and maintain standards    through regional networks.
• Specialized training for projects with unique respondent    requirements on complex questionnaires.
• An established system of quality controls to ensure the same high    level of screening for each project.
• Pre-Briefing and selection of experienced interviewers.
• Mock Interviews and pilot interviews are conducted to familiarize    interviewers with the questionnaire and other material.
• Field Supervisors review all completed questionnaires for legibility,    accuracy and consistency.
• Monitoring the accuracy of individual interviewers.
• A minimum of 30% back checks of all completed Interviews.
• 100% of the data collected is scrutinized before acceptance.
• 40-50% of the collected data crosschecked for authenticity.