The advantage of questionnaire survey is ()

The advantages of analytical questionnaire survey are: anonymous access is conducive to obtaining real information; The data of more objects are collected, which is beneficial to neutralize the extreme answers of individuals; The content, time and format of collected data are basically unified, and data processing is relatively easy, which is convenient for comparative analysis; Accessing multiple objects at the same time can save a lot of resources. The questionnaire survey can't get a deeper understanding of the case, and the D option is incorrect.

This topic examines the advantages of questionnaire survey, and we can understand its advantages and disadvantages according to its characteristics and process.