Sequencing the sections of the questionnaire

The questionnaire can be properly planned once the principal and analy­sis information requirements have been decided. It is most commonly divided into three sections:

• exclusion or security question;
• screening questions;
• main questionnaire.

Source: Brace Ian (2018), Questionnaire Design: How to Plan, Structure and Write Survey Material for Effective Market Research, Kogan Page; 4th edition.