Do I need to test the reliability and validity of the questionnaire?

Reliability and validity refer to the degree of consistency when the same detection method repeatedly detects the same phenomenon. If the questions are simple, they are all established facts, and if they are carefully done, there will be no inconsistency in the answers when testing again. So there is no need to test the reliability and validity. Questionnaire survey recommendation questionnaire. \ r \ n \ r \ Questionnaire survey is a widely used survey method in research. The questionnaire designed according to the purpose of the survey is a tool to obtain information, and its quality plays a decisive role in the authenticity and effectiveness of the survey results. In order to ensure the high reliability and validity of the questionnaire, reliability and validity analysis is the first step of questionnaire analysis. If the reliability and validity of the questionnaire are good, it proves that the data of the questionnaire are reliable and the internal consistency of the questionnaire is high, which can be used for subsequent modeling and analysis. On the other hand, if the reliability and validity are not high, the questionnaire needs to be redesigned and distributed. \ r \ n \ r \ nIf you want to know more about the questionnaire, we suggest consulting the questionnaire survey system, which supports a variety of questions and can set the logic of jumping, association and quotation. Support WeChat, email and SMS to collect data. After data recovery, it can be classified, statistically analyzed and exported to Word, Excel, SPSS, etc. At the same time, there are 49 kinds of questions, everything; At the same time, single choice, multiple choice, matrix, sorting, proportion, proportion, table, file upload and other issues, so that your questionnaire can be seen at a glance!