Questionnaire survey. Questionnaire survey refers to a method of collecting information by formulating a detailed questionnaire and asking the respondents to answer accordingly. Therefore, filling in the questionnaire indoors and part-time risk assessment refers to filling in the questionnaire survey indoors. The so-called questionnaire is a group of research and Objective-related questions, or a form of questions compiled for conducting a survey, also known as a questionnaire. It is a common tool used by people to collect data in social survey research activities.