نتایج جستجو برای: reliability epidemiology
تعداد نتایج: 246884 فیلتر نتایج به سال:
تا ۳۱ دسامبر سال ۱۹۹۳، جمعاً ۸۵۱۶۲۸ مورد بیماری ایدز در بزرگسالان و کودکان بوسیله سازمان بهداشت جهانی گزارش شده است. این آمارها به دلیل تعداد موارد گزارش نشده یا تشخیص داده نشده و همچنین تأخیر در گزارشات آماری، تحت تأثیر قرار گرفته اند، لذا تعداد موارد گزارش شده بیماری ایدز با تعداد برآورد شده این بیماری یکسان نیست. بدین ترتیب برآورد می شود که تا به این تاریخ، بیش از ۳ میلیون مورد بیماری ایدز در...
Abstract Objective This general non-systematic review aimed to gather information on reported statistical models examing the effects of meteorological factors coronavirus disease 2019 (COVID-19) and compare these models. Methods PubMed, Web Science, Google Scholar were searched for studies “meteorological COVID-19” published between January 1, 2020, October 2022. Results The most commonly used ...
according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...
This is the second part of a two-part series article. Recently, we have been in middle difficult time due to Covid-19 pandemic. Pandemics or global epidemics are not new humankind; they occurred many times history. The discourse epidemiology describes mainly causal factors which need be mitigated prevent combat effects epidemics. In epidemiology, concerned for person, but rather every individua...
background :being informed of new methods of teaching and comparing their outcome help teachers use more effective and efficient methods in developing and implementing new training courses. the aim of this study was to examine the efficacy of epidemiology learning software on learning epidemiology courses. methods : this quasi-experimental study included 101 nursingand midwifery students taki...
Background and Objectives: The current research tries to investigate the position of Iran in regional and global research of epidemiology. Methods: To conduct this applied research, scientometric indicators were utilized. The study population comprised 53300 papers published by different countries during 2011 to 2015 indexed in Scopus database. Results: The results of the study revealed that ...
Background and Objectives: Epidemiology is a tool and a field of science which provides evidences necessary to make decisions. It is known as one of the basic sciences of public health. This study aimed to identify strategies for the promotion of epidemiology by Iranian Epidemiological Association so that people graduated in this field would become able to play an effective and positive role in...
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