نتایج جستجو برای: s test
تعداد نتایج: 1468007 فیلتر نتایج به سال:
several studies have shown that decidual tissue produces soluble factors which can mediate a variety of immunosuppressive activities. in order to assess whether prostaglandin e2 (pge2) was present in supernatants produced by explant culture of 10 human specimens of first trimester decidua. the effect of the supernatants from the two different series (with and without indomethacin treatment) of ...
the pathergy phenomenon (pp) is one of the hallmarks of behcet's disease (bd). it has been reported to be positive from 17.5% to 83% of cases in different studies. pp is used as a diagnosis criterion in the dilsen criteria, the japan criteria, the international criteria, and the iran criteria. it is therefore important to know wether pp is a fix manifestation of the disease or a cyclic manifest...
As a consequence of the "large p small n" characteristic for microarray data, hypothesis tests based on individual genes often result in low average power. There are several proposed tests that attempt to improve power. Among these, the FS test that was developed using the concept of James-Stein shrinkage to estimate the variances showed a striking average power improvement. In this paper, we e...
High-throughput post-genomic studies are now routinely and promisingly investigated in biological and biomedical research. The main statistical approach to select genes differentially expressed between two groups is to apply a t-test, which is subject of criticism in the literature. Numerous alternatives have been developed based on different and innovative variance modeling strategies. However...
OBJECTIVE To compare the effectiveness of a SAM splint molded into a cervical collar with that of a Philadelphia cervical collar at limiting movement of the cervical spine in 5 different movements. METHODS This study was prospectively carried out in 13 healthy volunteer subjects. A hand-held goniometer was then used to measure degrees of maximal extension (starting in a maximally flexed posit...
color had a special role in the human life. today psychologists use colors to do researches and recognition of people's mental characteristics. luscher's color test is further one of many well known tests. in the literature world a poet shows his way of thinking by using some special words. this research uses the luscher color test and measures the person's psychophysical state based on samih a...
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