Questionnaires are used to gather information from respondents. Here's everything you need to know about questionnaires and how to design your own. The meaning of QUESTIONNAIRE is a set of questions for obtaining statistically useful or personal information from individuals. How to use questionnaire in a sentence. Questionnaire Definition Explained A questionnaire is a structured set of questions used to gather information from respondents. It's a fundamental tool in research, surveys, and feedback collection across various fields like social sciences, market research, and healthcare. Understanding the Questionnaire's Role The primary purpose of a questionnaire is to collect specific information systematically. Researchers design questionnaires to elicit responses that can be quantified or categorized ... A questionnaire is a research instrument consisting of a series of questions designed to collect data from respondents. Learn about the key features, types, and examples of questionnaires, as well as their advantages and limitations.