Social investigation research includes: general survey, sampling survey, typical survey and case survey.
1. In the process of investigation, we must first make clear the purpose and object of the investigation, make a reasonable investigation plan, truthfully record the investigation results, sort out and analyze the investigation results, and sometimes use mathematical methods to make statistics. Sometimes, in the process of investigation, due to the large scope of investigation, we must choose some objects as samples.
2, the statistical investigation object, refers to the units and individuals that provide statistical information about their own situation in government statistical investigation activities.
The scope of statistical investigation is all units and individuals who are obliged to submit statistical data according to law. In addition to state organs, enterprises and institutions, individual industrial and commercial households and individuals, it also includes social organizations, grassroots mass autonomous organizations, private non-enterprise units, rural contracted business households and other organizations, specific to each statistical investigation project. According to the provisions of the statistical investigation system, the statistical investigation objects may include all or part of the above objects.
References:
Baidu Academic —— On the Division of Comprehensive Investigation and Non-comprehensive Investigation by Zheng Xiaoping