نتایج جستجو برای: fisher exact test and t
تعداد نتایج: 17035620 فیلتر نتایج به سال:
the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...
this study investigated the effects of three kinds of gloss conditions, that is traditional non-call marginal gloss, audio gloss, and extended audio gloss, on reading comprehension and vocabulary gain of iranian upper- intermediate efl learners. to this end, three experimental and one control groups, each comprising 15 participants, took part in the current study. in order to ensure that the pa...
Using the Taiwan nationwide laboratory-confirmed severe acute respiratory syndrome (SARS) database, we analyzed neutralizing antibody in relation to clinical outcomes. With a linear mixed model, neutralizing antibody titer was shown to peak between week 5 and week 8 after onset and to decline thereafter, with a half-life of 6.4 weeks. Patients with a longer illness showed a lower neutralizing a...
WHAT IS FISHER’S EXACT TEST? Undoubtedly the most widely known test of association between two binary variables is the 2×2 Chi-square (χ) test. However, many readers will also have learned about Fisher’s Exact test at some point – most likely in a basic statistics course – that Fisher’s Exact test is the advised, or in fact the obligatory, alternative to the 2×2 χ test in the situation that ‘th...
Procedures for the computation of the Fisher exact test of 2x2 tables by means of the alignment and multiplication of appropriate binomial coefficients are reviewed and extended to larger tables. The 2x3 table originally employed by Freeman and Halton to illustrate their extension of the Fisher exact test principle is reworked with binomial coefficients, their result being obtained with substan...
background: cervical cancer is the second most common cancer in the world among women and human papilloma virus (hpv) plays a major role in its development. the aim of this study was to determine the frequency of hpv type 16 and 18 in cervical discharge by polymerase chain reaction (pcr) method in women with atypical biopsy or papsmear. method: this case- control study was performed on women i...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
previous studies regarding teachers’ beliefs have revealed that teachers’ beliefs have influence on their classroom practices. the current study aimed to investigate the effect of teachers’ beliefs about teaching reading strategies on students’ motivation and success in reading comprehension in the context of english teaching as a foreign language in high schools of mazandaran, iran. data were ...
within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
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