نتایج جستجو برای: validation study

تعداد نتایج: 4087172  

Journal: :Emergency medicine journal : EMJ 2003
C N Brookes J D Whittaker C Moulton D Dodds

The search for a reliable and accurate respiratory rate monitor for use in non-intubated patients has proved to be a long and fruitless one. A new device fulfilling the criteria for such a monitor has recently been described. The pyroelectric polymer (PEP) device is safe, non-invasive, and cheap. In this study the PEP device, transthoracic impedance, and standard observer counting were all comp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

پایان نامه :موسسه آموزش عالی غیردولتی رودکی تنکابن - دانشکده ادبیات و زبانهای خارجی 1393

abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...

Journal: :journal of research in medical sciences 0
mehri khoshhali sayed mohsen hosseini mohammad ali nilforoushzadeh fariba jaffary azadeh zolfaghari baghbaderani

background: the present study was performed to develop a scoring system for predicting cure status in patients with cutaneous leishmaniasis (cl). materials and methods: this study included 199 patients with cl from skin diseases and leishmaniasis research center (isfahan, iran). data were collected as longitudinal in each visit of patients. we applied ordinal logistic generalized estimating equ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده کشاورزی 1392

امروزه کمبود آب در جهان زندگی بشر را با چالش روبرو ساخته و مدیریت منابع آب به عنوان راه حلی پیش رو نیاز به فهم بهتر و دانستن مجموعه ی پیچیده ی تعاملات مرتبط با آب در بیلان آب حوضه است . تبخیر-تعرق یکی از اجزای مهم بیلان آب می باشد و تعیین سهم آن از بارش در مقیاس سال ـ حوضه به لحاظ مدیریت منابع آب پر اهمیت است. در این پژوهش روابط و معادلات تجربی و نیمه تجربی که برای برآورد تبخیر-تعرق واقعی در مق...

Journal: :The British journal of educational psychology 1973
S N Bennett

Verbal reasoning and semantic divergent thinking scores together with assessments of conventional and creative English attainment were gained for 331 10-year-old children . A factor analysis demonstrated a separation of the ability and attainment measures . A zonal analysis showed that highly divergent children gained better scores on the creative attainment criterion than did highly convergent...

2014
John Turri Peter Blouw

Can judging that an agent blamelessly broke a rule lead us to claim, paradoxically, that no rule was broken at all? Surprisingly, it can. Across seven experiments, we document and explain the phenomenon of excuse validation. We found when an agent blamelessly breaks a rule, it significantly distorts people’s description of the agent’s conduct. Roughly half of people deny that a rule was broken....

Journal: :Annals of neurology 2010
Olivier Godefroy Philippe Azouvi Philippe Robert Martine Roussel Didier LeGall Thierry Meulemans

OBJECTIVE Disorders of executive functions are among the most frequent cognitive deficits, but they remain poorly defined and are subject to heterogeneous assessment. To address this major issue, the Groupe de Réflexion sur l'Evaluation des Fonctions Exécutives (GREFEX) group has proposed criteria for behavioral and cognitive dysexecutive syndromes and has designed a battery including a specifi...

2008
Olga Y. Savchuk Jeffrey D. Hart Simon J. Sheather

In this paper we provide insight into the empirical properties of indirect crossvalidation (ICV), a new method of bandwidth selection for kernel density estimators. First, we describe the method and report on the theoretical results used to develop a practical-purpose model for certain ICV parameters. Next, we provide a detailed description of a numerical study which shows that the ICV method u...

Journal: :The spine journal : official journal of the North American Spine Society 2015
Gary S Collins Emmanuel O Ogundimu Yannick Le Manach

Evaluating a prediction model using a separate data set from which the model was developed is a crucial step in assessing its predictive performance, often referred to as external validation [1]. The recent study by Tetreault et al. [2] modified their previous prediction model by omitting one of the predictors and then refitting the model on the original development data from 12 sites from Nort...

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