The terms "survey" and "questionnaire" are often used interchangeably but have fundamentally different meanings.

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A "survey" is a research method used to collect data from a predefined group of respondents to gain information and insights on various topics of interest. It encompasses the overall process of survey research, including questionnaire design, data collection, and analysis. On the other hand, a "questionnaire" is a tool or instrument used within a survey to collect data. It consists of a set of questions designed to gather information from respondents. Therefore, while closely related, the terms refer to different aspects of the process of gathering information, with "survey" referring to the broader research method and "questionnaire" to the specific instrument used.

The Terms "Survey" and "Questionnaire" Are Often Used Interchangeably but Have