نتایج جستجو برای: a database meta
تعداد نتایج: 13478240 فیلتر نتایج به سال:
this study was an attempt to investigate the effect of teaching meta cognitive strategies on iranian intermediate efl students speaking proficiency. in this study the researcher has employed metacognitive strategies taken from brown (2000) to teach speaking strategies to number of participants. the participants were intermediate students of shokouh language institute; they were divided into an ...
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...
abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...
objective background: preterm labor, which defines as live-birth delivery before 37 weeks of gestation is a main determinant of neonatal morbidity and mortality around the world. : the aim of this study was to determine the prevalence of preterm labor in iran by a meta-analysis study, to be as a final measure for policy makers in this field. materials and methods: in this meta-analysis, the dat...
assigning premium to the insurance contract in iran mostly has based on some old rules have been authorized by government, in such a situation predicting premium by analyzing database and it’s characteristics will be definitely such a big mistake. therefore the most beneficial information one can gathered from these data is the amount of loss happens during one contract to predicting insurance ...
background :cytotoxic t lymphocyte-associated antigen-4 (ctla-4) is an important negative regulator of t-cell responses. the -1722tc polymorphism of the ctla-4 gene may be associated with systemic lupus erythematosus (sle) risk, but related results from previous studies have been inconsistent. we carried out a meta-analysis to assess this association more precisely. methods : a systematic sea...
background: recipients of healthcare services have rights, which must be acknowledged and protected. such rights include observance of acceptable patient physical, mental, spiritual, and social needs guided by commonly accepted rules and regulations. the objective of this study was to conduct a systematic review and meta-analysis of awareness rates and observance of patient rights in iran from ...
conclusions although differences between the two products were very close to each other, they reported similar effects on joint bleeds. further clinical studies should be performed by incorporating a standardized measurement in comparative efficacy of apcc and rfviia. results the mean of bleeding reduction in apcc and rfviia were 71.2% with ci 95% (lower limit 86.8% and upper limit 82%) and 72....
This paper presents a web-based system that supports students in their learning of phonetic transcription and production. It allows students to create their own exercises from an integrated database of recordings, according to their specific learning needs. Every recording in the system has been meta-tagged. For example, a cardinal vowel will have, among others, the tags ‘vowel’ and ‘cardinal’....
In this paper, we address the issue of Distributed MultiMedia DBMS (DM2DBMS) where traditional metadatabase used to describe the database schema is no longer appropriate. The meta-database is the kernel of the DBMS and we do believe that new generation of meta-database is required for DM2DBMS. For this, we provide a multimedia meta-database model M2 able to improve multimedia management in DM2D...
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