Cách sử dụng
A questionnaire is a set of questions that are asked to collect information from people. You may have received a questionnaire from your school or doctor's office before. It can be used to gather opinions, feedback, or data about a particular topic. For example, a survey that asks people about their shopping habits could be called a questionnaire. They can be filled out online or on paper. Questionnaires are commonly used in research, marketing, and a range of industries to collect information.