نتایج جستجو برای: statistics as topic

تعداد نتایج: 5755289  

Journal: :iranian red crescent medical journal 0
farahnaz sadoughi department of health information management, school of health management and information sciences, iran university of medical sciences, tehran, ir iran hadi lotfnezhad afshar department of health information management, school of health management and information sciences, iran university of medical sciences, tehran, ir iran; department of health information technology, school of paramedical, urmia university of medical sciences, urmia, ir iran; department of health information technology, school of paramedical, urmia university of medical sciences, urmia, ir iran. tel: +98-44332752300, fax: +98-4432770047 asiie olfatbakhsh breast cancer research center (bcrc), the academic center for education, culture and research (acecr), tehran, ir iran neda mehrdad breast cancer research center (bcrc), the academic center for education, culture and research (acecr), tehran, ir iran

patients and methods in this cross-sectional study, data of 584 female patients (mean age of 45.9 years) referred to breast cancer research center (tehran, iran) were analyzed anonymously. spss and norm softwares (2.03) were used for data transformation, running and interpretation of cca and replacing missing values, respectively. data were obtained from breast cancer research center, tehran, i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم تربیتی و روانشناسی 1392

the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

2012
William H Wehrmacher

Prior to 1970, the slow, steady and substantial development of medical knowledge over centuries for improved well being and survival from birth was not matched by the elderly population. Since 1970, however, the elderly have also shared in these developments, exhibiting substantial improvement in survival among people over 60 years of age. It is also been since 1970 that geriatric cardiology ha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

Journal: :Ecology 2012
Magnus Huss Anna Gårdmark Anieke Van Leeuwen André M de Roos

Patterns of coexistence among competing species exhibiting size- and food-dependent growth remain largely unexplored. Here we studied mechanisms behind coexistence and shifts in competitive dominance in a size-structured fish guild, representing sprat and herring stocks in the Baltic Sea, using a physiologically structured model of competing populations. The influence of degree of resource over...

2002
M. V. Berry J. M. Robbins M Robbins

Our earlier arguments (Berry, M V & Robbins, J M 1997, Proc. Roy. Soc. Lond. A453 1771-1790) leading to the spin-statistics relation are summarized and then revisited. Constructions are described that satisfy all our previous requirements but lead to the wrong exchange sign (one such alternative is the replacement of commutators by anticommutators in the Schwinger representation of the spins of...

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