نتایج جستجو برای: reliability indecies
تعداد نتایج: 143795 فیلتر نتایج به سال:
This article is a continuation of the previous module on designing questionnaires and clinical record form in which we have discussed some basic points about designing the questionnaire and clinical record forms. In this section, we will discuss the reliability and validity of questionnaires. The different types of validity are face validity, content validity, criterion validity, and construct ...
با توجه به تاثیر بارز روش تلفات نفوذ، پارامترهای عدم قطعی و تغییرات مکانی بارش بر خروجی مدل، و عدم استفاده از نمونه گیری همبسته مونت کارلو - کاپولا در بررسی همبستگی و تاثیر متقابل پارامترها بر یکدیگر و عدم قطعیت مدل هیدرولوژیک، به منظور کاهش خطا و واریانس خصوصیات سیلاب مدلسازی شده، با انتخاب روش شبیه سازی پیوسته بارش – رواناب در مدل hec-hms، به بررسی تاثیر کاربرد روش تلفات نفوذ sma بر کاهش خطای...
In this paper we study the reliability of calculations of the structural reliability. It compares the exact reliability expression within the Bernoulli-Euler column theory with its counterpart obtained via the finite difference expression in the buckling context.
The theory of structural reliability is widely applied in many fields, such as architectural design, and mechanical engineering. In this paper, the resident and the load of a structure are defined as uncertain variables and the reliability index is defined as as the uncertain measure of the event that the resident is larger than the load. Furthermore, the reliability of series and parallel stru...
This paper presents an applicable health monitoring method for Li-ion batteries based on profust reliability theory. The word “profust” derives from “probability” and “fuzzy-state”, which means that the profust reliability theory is a kind of fuzzy reliability theory based on probability assumption and fuzzy-state assumption. It defines a concept of transition from fuzzy success to fuzzy failur...
BACKGROUND A reliable and valid global staging scale has been lacking within dementia care. OBJECTIVE To develop an easy-to-use multi-dimensional clinical staging schedule for dementia. METHODS The schedule was developed through: i) Two series of focus groups (40 and 48 participants, respectively) in Denmark, France, Germany, Netherlands, Spain, Switzerland, and UK with a multi-disciplinary...
BACKGROUND Systematic reviews of the relationship between non-manipulated factors (e.g. low empathy) and offending are becoming more common, and it is important to consider the methodological quality of studies included in such reviews. AIMS To assess aspects of the reliability and validity of the Cambridge Quality Checklists, a set of three measures for examining the methodological quality o...
This paper introduces the process for, and the result of, the selection of performance influencing factors (PIFs) for the use in human reliability analysis (HRA) of emergency tasks in nuclear power plants. The approach taken in this study largely consists of three steps. First, a full-set PIF system is constructed from the collection and review of existing PIF taxonomies. Secondly, PIF candidat...
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