نتایج جستجو برای: prevalence studies
تعداد نتایج: 1654906 فیلتر نتایج به سال:
abstract this study investigated the predictability of variables from a motivational framework as well as individuals qualities to predict three non-linguistic outcomes of language learning. gardners socio-educational model with its measures has been used in the current study. individual qualities presented in this study include (1) age, (2) gender, and (3) language learning experience. the...
Background and Objectives: Hepatitis B virus (HBV) infection is a major public health problem worldwide. Islamic Republic of Iran is located in mesoendemic region (prevalence 2%-7%). The aim of this study was to assess prevalence of chronic HBV in Iran according to demographic characteristics. Methods: Medline, Embase, Science Citation Index Expanded, Ovid, Google Scholar, IranMedex, SID, Ma...
cohesion is an indispensable linguistic feature in discourse analysis. lexicald such a differe cohesion and conjunction in particular as two crucial elements to textual cohesion and comprehension has been the focus of a wide range of studies up to now. yet the relationship between the open register and cohesive devices has not been thoroughly investigated in discourse studies. this study concen...
results we included 66 eligible studies. the pooled prevalence of hbsag in blood donors of both emro and middle eastern (e and m) countries was 2.03% (95% confidence interval [ci]: 1.79 – 2.26). in addition, the prevalence rates in the emro countries was 1.99% (95% ci: 1.84 – 2.14) and 1.62% in the middle eastern countries (95% ci: 1.36 – 1.88). the prevalence among blood donors with more than ...
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