2. A small sample survey to test the validity of the questionnaire.
Questionnaire survey refers to the method of collecting data by making a detailed and thorough questionnaire and asking the respondents to make corresponding answers. The so-called questionnaire is a set of questions related to the research goal, or a form of questions compiled for investigation, also known as questionnaire. It is a common tool for people to collect information in social investigation and research activities.
With the help of this tool, researchers accurately and concretely measure the process of social activities, and use sociological statistical methods to describe and analyze the quantity in order to obtain the required survey data.
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The significance of questionnaire survey
Questionnaire survey is a research method to explore the present situation of facts. The biggest purpose is to collect and accumulate basic data of various scientific education attributes of a target group, which can be divided into descriptive research and analytical research.
When deciding whether to use the questionnaire as a research tool, we should consider whether the research objectives can be successfully achieved and pay attention to the matching degree of the research samples on the questionnaire. In addition, the questionnaire survey has advantages and disadvantages. Only by examining its characteristics and matching the research topic can we achieve the goal.
A form in which researchers make questions or forms about the matters to be studied, and then ask relevant personnel to fill in the answers by email or interview. Questionnaires enable researchers to obtain information directly from the subjects, so as to measure the subjects' personal knowledge, preferences and values, or personal attitudes and beliefs. Questionnaires can also be used to discover facts and experiences or what is happening.
References:
Baidu Encyclopedia-Questionnaire Survey