Empiristic analysis, through interviewing probe and questionnaire survey and multiple statistical analysis method, amends employee turnover forecast model of dynamic.
Based on the actual condition of air-conditioned train, this paper designes questionnaires about IAQ intrain compartment and investigates the IAQ by the questionnaires.
The mean Oswestry Disability Index questionnaire score of steroid-group's patients was statistically significant lower than that of the WFI-group at all postinjection re-evaluations.
In this survey, we take cosmetician as our sampling group and design a series of the questionnaires to know their acceptance of the information technology.