Answer:
Questionnaires
Explanation:
A questionnaire is a series of questions that are asked of your customers. These questions are typically a combination of close-ended and open-ended questions. Long-form questions leave room for customers to elaborate on their thoughts. The questions should always remain as unbiased as possible.questionnaire is a research instrument consisting of a series of questions for the purpose of gathering information from respondents. Questionnaires can be thought of as a kind of written interview. ... Often a questionnaire uses both open and closed questions to collect data.The questionnaire is the main instrument for collecting data in survey research. Basically, it is a set of standardized questions, often called items, which follow a fixed scheme in order to collect individual data about one or more specific topics. Sometimes questionnaires are confused with interview.
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