Abstract:

Sampling design and data analysis methods are the core of survey. 203 basic sample counties were selected in 2007, and the actual state study on the national survey of county science and technology workers follow the multiply level and constrain proportions principle. 20300 people were surveyed and interviewed, and the confidence interval level is over 95%. The main discussion is how to obtain the main factors which influence living conditions of county science and technology workers from 126 questionnaires and 618 kinds of answers.