The reason why the questionnaire survey is widely used is that it is simple, easy to operate and economical. Investigators don't need to collect data from a single survey, but they can use the group method to publish questionnaires by mail or in newspapers and magazines.
It can not only save manpower, material resources, financial resources and time, but also investigate many people in a short time. Therefore, the efficiency of questionnaire survey is very high, which is suitable for computer processing data and saves the cost and time of analysis.
Step 2 be objective
Questionnaires generally do not need to be signed, nor do newspapers, magazines and emails. Respondents are free to express their true thoughts and situations. If the questionnaire involves privacy issues, then the way of signing may make the respondents reluctant to express their true wishes instead of anonymous questionnaires.
3, with unity
Questionnaires are used by all respondents to ask questions, which is not only beneficial to the comparative analysis of respondents in the same situation, but also beneficial to the investigation of respondents with different social consciousness and the analysis of individual situations.
4. extensive.
Questionnaire survey is not limited by quantity and scope, and the range of possible answers given in the design is generally selected by the respondents, which is also convenient for the respondents to understand the survey content. Because most of the questionnaires are conducted in a closed way, because in the process of data collation, the answers can be coded and data input, and quantitative processing and analysis can be carried out.