A set of questions designed to obtain information from a group of people is called

• A. Questionnaires
• B. Respondents
• C. Primary data
• D. Secondary data

Answer: (A)

A questionnaire is a set of questions designed to obtain information from a group of people. It acts as the tool researchers use to collect data directly from respondents. The people who answer are called respondents, and the information gathered through this method is typically primary data—data collected firsthand for the specific study. In contrast, secondary data are information that already exists from other sources. So the set of questions itself is the questionnaire, the instrument used to gather the information.