نتایج جستجو برای: stage cluster sampling technique
تعداد نتایج: 1290714 فیلتر نتایج به سال:
In this study, in order to assess the e-service quality of Payame Noor University based on E-SERVQUAL model, the service superiority gap score was measured. The research methodology was quantitative, in terms of main strategy applied, in terms of research objective descriptive–survey, in terms of analytical technique and library and field study, in terms of implementation strategy. The research...
Prediction of random effects is an important problem with expanding applications. In the simplest context, the problem corresponds to prediction of the latent value (the mean) of a realized cluster selected via two-stage sampling. Recently, Stanek and Singer (JASA, 2004) developed best linear unbiased predictors (BLUP) under a finite population mixed model that outperform BLUPs from mixed model...
BACKGROUND Mortality estimates can measure and monitor the impacts of conflict on a population, guide humanitarian efforts, and help to better understand the public health impacts of conflict. Vital statistics registration and surveillance systems are rarely functional in conflict settings, posing a challenge of estimating mortality using retrospective population-based surveys. RESULTS We pre...
Pathology and determination of students' moral vulnerability is significant step in their security against cultural, social, value, and moral changes. The present study has been done to assess the students' moral vulnerability. The theoretical framework composed of theories of Durkheim, Englehart and Lerner. By the survey technique, this study has examined the relationship between the moral vul...
A new randomized response technique for estimating the population total, or mean of a quantitative variable is proposed. It provides high degree protection to respondents because they never report their data. Therefore, it may be favorably perceived by them and increase willingness cooperate. Instead revealing true value characteristic under investigation, respondent only states whether greater...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
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