A(n) is a systematic method of collecting information from people through a questionnaire. (Enter one word in the blank)

The word you're looking for is survey.

A survey is a research method that involves asking individuals a series of questions to gather data on various topics of interest. Surveys can be conducted in multiple forms, including online forms, telephone interviews, face-to-face questionnaires, or mailed questionnaires. They are widely used in fields like social sciences, market research, and public health to obtain qualitative and quantitative information. The design of a survey is crucial to ensure that the data collected is relevant and reliable. The questions must be clear and unbiased, with appropriate scales or response options provided. By analyzing survey results, researchers can identify trends, opinions, and behaviors within a defined population, facilitating informed decision-making based on the insights gained.