A questionnaire is a set of questions or items used to collect information about the views, experiences, or opinions of respondents. Questionnaires are useful for gathering both quantitative and qualitative data. Questionnaires are frequently utilized in market research and the social and health sciences.
Questionnaires are a low-cost, quick, and effective way to gather large amounts of data from a large group of people. Questionnaires are an excellent approach to obtaining demographic information, personal opinions, facts, or attitudes from individuals.
Uniform design and uniformity are two of the most important characteristics of a research form. Each respondent is asked an identical set of questions. This makes data collection and statistical analysis of such data easier and reliable.