This study on principles of development and design of survey questionnaires is one of a series of publications designed to assist countries in planning and implenting household surveys in the context of the National Household Survey Capability Programme. The United Nations revised Handbook of Household Surveys is the basic document in the series. The Handbook reviews issues in survey content, design and operations and provides technical information and guidance at a relatively general to national staistical organizations charged with carrying out household survey programes. Chapter 1. Introduction -- Chapter 2. The process of questionnaire development -- Chapter 3. Principles of questionnaire design: formulation of questions -- Chapter 4. Principles of questionnaire design: overall form and structure -- Chapter 5. Questionnaire production -- Chapter 6. Testing and evaluation of questionnaires.