WHO世界卫生组织：：2025年世界卫生调查加：移动电话调查技术包。访员手册（英文版）

This manual will prepare staff to carry out data collection for computer-assisted telephone interviewing (CATI) surveys in a consistent manner. If the guidance is followed correctly, results will be comparable across countries and time. The intended audience is interviewers and trainers. The manual assumes that readers have basic experience with data collection but no experience with the WHS+ Mobile. Interviewers are responsible for initial contact and recruitment of respondents, establishing