نتایج جستجو برای: while reject the h0 hypothesis

تعداد نتایج: 16065525  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و زبانهای خارجی 1392

abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

2006
G. Tucker

6.1 A Basic Statistical Method in Hypothesis Testing. In chapter 4 we encountered our …rst problems in statistical inference. One dealt with the problem of sample size. The other was a problem of a statistical test of hypothesis. It dealt with the problem of whether two samples arose from the same distribution function or whether there was a shift and essentially a di¤erence in means between th...

2001

Statistical Hypothesis • Null hypothesis (H0): Hypothesis of no difference or no relation (or not guilty) and often has =, ≥, or ≤ notation in the mathematical statement of the hypothesis. A theory about the values of one (or more) population parameter(s). The theory generally represents the status quo, which we accept until it is proven false. Example: H0: μ = 98.6F (average body temperature i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

short story as an important literary genre in the recent decade is focused by many of young writers and literary critical with searching structure, content , artistic techniques and cognitive phenomenon of these works , we can show quantity of using some parts of storied literature from new literal techniques of the word and also we can show the usage of native, cultural and social foundation...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات و زبانهای خارجی 1391

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 ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

Journal: :Journal of the American College of Cardiology 2001
J A Morphet

and the result is based on lack of significance (if our null hypothesis had been that there was no treatment effect in the lowest sextile, not being able to reject the null would probably be a low-power issue [Goldberger et al.’s power calculations are, in fact, based on this null hypothesis]—however, our null hypothesis was that the treatment effect would be the same in all sextiles, and we we...

Journal: :IOP conference series 2023

Abstract Findings on the quality of River Ikpoba samplings is an essential matter because water resources management coupled with hydro-chemical interfaces essence, especially for monitoring and discovering surface-water contaminants origins. Thus, were scrutinized using Stream Flow Simulation Model (SFSM) Multivariate Statistical techniques. Runoff occasion due to land use change shows increas...

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