نتایج جستجو برای: we used r pierson tests

تعداد نتایج: 6055014  

2000

As Director of the Office of Scientific Research and Development, Dr. Vannevar Bush has coordinated the activities of some six thousand leading American scientists in the application of science to warfare. In this significant article he holds up an incentive for scientists when the fighting has ceased. He urges that men of science should then turn to the massive task of making more accessible o...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

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 (...

2017
Camelia Simoiu Sam Corbett-Davies Sharad Goel Stefano Ermon Avi Feller Seth Flaxman Andrew Gelman Lester Mackey Jan Overgoor

Outcome tests are a popular method for detecting bias in lending, hiring, and policing decisions. These tests operate by comparing the success rate of decisions across groups. For example, if loans made to minority applicants are observed to be repaid more often than loans made to whites, it suggests that only exceptionally qualified minorities are granted loans, indicating discrimination. Outc...

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this study examined the effect of prior knowledge and vocabulary teaching on iranian efl learners listening comprehension. the current study has two purposes: one is to investigate the effect of background knowledge on the second language listening comprehension of iranian intermediates and the other is to determine whether second language is facilitated by the introduction of unknown vocabularies in the form of prelistening activities. to conduct the study different instruments such as listening proficiency test and four listening tests such as pre and posttests were used and various statistical processes and techniques including paired-sample t-test, and analysis of variance (anova) were used. the findings of this study supported all three hypotheses tested. differences were found between the means of preteaching vocabulary variable, the background knowledge activation variable, and mean difference between these two strategies variable. subjects scored higher when the unknown words were taught in advance. likewise, subjects scored higher when they were asked some relevant questions about the topic than on those without them. there was, in addition, a significant difference between the means of preteaching vocabulary strategy and background knowledge activation strategy. in fact, preteaching vocabulary had a better effect in enhancing the students’ listening comprehension, in comparison to background knowledge activation strategy.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

Journal: :تحقیقات مالی 0
فریدون رهنمای رودپشتی استاد و عضو هیئت علمی دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران، ایران محمود فیروزیان دانشیار دانشگاه آزاد اسلامی واحد کرج، ایران، لیلا محمدی کارشناس ¬ارشد، رشته مدیریت صنعتی"گرایش مالی"، دانشگاه آزاد اسلامی واحد تهران مرکزی، ایران

in the research we try to introduce “network matrix” in selecting optimizing portfolio for active management in investment companies, to evaluating obtained portfolio of this, with this aim that have high efficiency in relation to market portfolio efficiency. first matrix (portfolio) is value-growth stocks that are classified by standards p/e and p/b and second matrix (portfolio) are an aggress...

پایان نامه :0 1375

to explore the idea the investingation proposed, aimed at finding whether the performances of the population of iranians students studying english in an efl context are consistent in l1 and l2 writing taks and whether there is a cross-linguistic transfer in this respect. in this regard the subjects were instructed to write four compositions-two in english and two in farsi-which consisted of an ...

Journal: :Journal of Modern Foreign Psychology 2019

Journal: :Pneumonologia i alergologia polska 2015
Sylwia Kwiatkowska

In the early 1990s, WHO declared TB a global emergency [1]. Since that time after introduction of DOTS strategy and National TB Programs, the reduction of global incidence rate (2002), as well as of total number of TB cases (2006) were recorded. However, in 2012, about 8.6 million cases were established, of which only two third were registered. It means that 3 million cases were missed and untr...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 1990

Journal: :Canadian Medical Association Journal 2010

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید