نتایج جستجو برای: confidence limits
تعداد نتایج: 287594 فیلتر نتایج به سال:
We explore the statistical uncertainty in low-dose-rate extrapolations of animal carcinogenicity data and state some general conclusions about its magnitude. Our conclu sions are based on analyses of both actual data sets from animal experiments and a large number of data sets gener ated by computer simulation. Our results, which should be applicable to continuous exposure to any â€oedirect-act...
چکیده ندارد.
this thesis is about the effect of self-confidence and educational motivation on oral translation quality.
Computational chemistry is a largely empirical field that makes predictions with substantial uncertainty. And yet the use of standard statistical methods to quantify this uncertainty is often absent from published reports. This article covers the basics of confidence interval estimation for molecular modeling using classical statistics. Alternate approaches such as non-parametric statistics and...
OBJECTIVE This study was undertaken to evaluate factors contributing to a decrease in early mortality and morbidity after the Fontan procedure between January 1, 1992, and December 31, 1999. METHODS Outcomes evaluated were early survival, duration of pleural effusions, and duration of hospitalization. Potential predictors evaluated included anatomic diagnosis, presence of a common atrioventri...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
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