نتایج جستجو برای: 48 percent of average performance
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Little information is available on private payer claims cost experience for specific categories of health care. A study was conducted in which physician-claims cost experience and trends among 15 Blue Cross and Blue Shield Plans were compared. Between 1986 and 1988, physician claims cost per covered person increased at an average annual rate of 17 percent, approximately 6 percentage points high...
The purpose of this study was to investigate the effect of perceived classroom structures on the choice of problem, effort and persistence in practical tasks and academic performance of students. The method used in this study was a pretest-posttest. 48 individuals were selected randomly and were divided into three groups of mastery structure, performance structure and control. The data was anal...
current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...
the underground temperature at a depth of about three to four meters is almost constant during the year. as a result in summer the underground is cooler than the ambient temperature. this potential is considered for greenhouse cooling by using an earth-to-air heat exchanger (eahe). in this research the effects of two parameters were investigated: a) the area of greenhouse in three levels of 9, ...
building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
دانشگاه یزد دانشکده علوم اجتماعی گروه جامعه شناسی پایان نامه جهت اخذ درجه کارشناسی ارشد جامعه شناسی بررسی عوامل موثر برمصرف گرایی در میان زنان شهر یزد استاد راهنما: دکتر مسعود حاجی زاده میمندی استاد مشاور: دکتر اکبر زارع شاه آبادی پژوهش ونگارش:فریدون یوسفی شهریورماه 1390 تقدیم به : روح پدر ومادر زحمتکش ومهربانم که میدانم همیشه وهمه جا دعای خیرشان روشنی بخش جاده های...
Shortage of water resources and renewable per capita in last 30 years is put Iran on crisis threshold. Wastewater reuse is one of the battle solutions for water shortage and prevents wastewater depletion and environmental pollution. Thus, a pilot scale experiment was carried out to evaluate an integrated anaerobic/aerobic treatment for removal of BOD5 and COD, also to reduction of hydraulic ret...
in a mobile ad hoc network, there are some features such as the ability to exploit multipath effect for information exchange with high reliability and low error rate. dealing with the aggressors and discovering the path in data transmission are of importance. approaching these goals ends in network promotion and efficiency. in this paper, the designed protocol is able to discover multipath fo...
The Rise in the U.S. Dollar The value of the dollar has climbed steadily over much of the past two years (Chart 1). The dollar’s rise through August 1998 represents more than a 20 percent appreciation over its average value in the 1991-95 period and more than a 30 percent strengthening relative to its unusually weak performance in April 1995. This large appreciation is reminiscent of the apprec...
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