نتایج جستجو برای: cronbachs alpha for reliability assessment
تعداد نتایج: 10653030 فیلتر نتایج به سال:
BACKGROUND Reliability of measurements is a prerequisite of medical research. For nominal data, Fleiss' kappa (in the following labelled as Fleiss' K) and Krippendorff's alpha provide the highest flexibility of the available reliability measures with respect to number of raters and categories. Our aim was to investigate which measures and which confidence intervals provide the best statistical ...
BACKGROUND The Orofacial Esthetic Scale (OES) is an eight-item instrument to assess how patients perceive their dental and facial esthetics. In this cross-sectional study we investigated dimensionality, reliability, and validity of OES scores in the adult general population in Sweden. METHODS In a random sample of the adult Swedish population (response rate: 39%, N=1159 subjects, 58% female, ...
PURPOSE Prior descriptions of the psychometric properties of validated knowledge assessment tools designed to determine Emergency medicine (EM) residents understanding of physiologic and clinical concepts related to mechanical ventilation are lacking. In this setting, we have performed this study to describe the psychometric and performance properties of a novel knowledge assessment tool that m...
deregulation policy has caused some changes in the concepts of power systems reliability assessment and enhancement. in this paper, generation reliability is considered, and a method for its assessment using intelligent systems is proposed. also, because of power market and generators’ forced outages stochastic behavior, monte carlo simulation is used for reliability evaluation. generation reli...
Background and Objectives: Considering the importance of medical education quality in achieving a healthy community, there is a need for the development of valid and reliable tools for efficient measurement of quality of medical education services. SEVQUAL is a popular services quality measuring framework used in assessment of quality in various service sectors. The purpose of this study was to...
Introduction: Inappropriate performance of delivery care team is one of the most important causes of maternal mortality. Lack of objective tools, reduces the opportunity for a systematic valid evaluation in clinical examinations. Therefore, this study investigated the reliability and validity of assessment tools in comprehensive final examination of midwifery students at the end of their educat...
A shortcoming identified in the dental education literature is the scarcity of patient assessment of the quality of communication between student clinicians and patients. This study, the second in a series, attempts to address this scarcity by testing the communication components deemed critical to patients identified in the first article. Two instruments were tested: the Patient Communication ...
Introduction: When a new scale is designed, it is expected that by following the development processes, extensive information can be obtained regarding the scale assessment. The main aim of this study was to design a valid and reliable scale proportionate to the culture of the employees surveyed, in order to identify and measure the improvements of infection-control criterion for Hepatitis B ...
Abstract in the late 20th century, it has been a tremendous change in all spheres of business, such as globalization of enhancing competitiveness of information technology development competition attention to the quality of customer and such as these are the administration in the public sector with these serious challenges one of the most important approaches to address these challenges is to a...
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