نتایج جستجو برای: sample t test was used findings

تعداد نتایج: 5991294  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

یادگیری مشارکتی دارای مزایای فراوانی می باشد. اهداف اصلی این تحقیق عبارتند از: 1- تاثیر یادگیری مشارکتی بر دستاورد واژگان تخصصی دانشجویان، 2- تاثیر یادگیری مشارکتی بر نگرش دانشجویان و 3- تاثیر مدرسین متفاوت بر دستاورد دانشجویان در کلاسهای سنتی و مشارکتی. از بین 78 دانشجوی سال دوم داروسازی 60 نفر بطور تصادفی انتخاب و به دو کلاس مساوی تقسیم شدند. جهت کنترل تاثیر شخصیت مدرسین بر دستاورد دانشجویان ...

Journal: :Puerto Rico health sciences journal 2008
Walter J Psoter Bette Gebrian Ralph V Katz

OBJECTIVE Studies of dental caries should account for sugar consumption as a potential confounder or effect modifier of other exposure-caries associations. The purpose of this study was to assess the reliability of a sugar consumption score for rural Haiti through correlation of test-retest scores derived from a structured, interviewer-administered questionnaire. METHODS A structured, intervi...

2013
Patrick S. Carmack PATRICK S. CARMACK JEFFREY S. SPENCE

Testing linear combinations of normal group means with unequal variances and possibly unequal samples sizes using a t-statistic is a well known problem for which the effective degrees of freedom are unknown. ? and ? set forth their approximations based on the ratio of combinations of fourth moments, and their methodology remains the de facto standard. We propose a new approach that extends thei...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی 1390

iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1390

monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

the purpose of this study was to investigate the impact of blended learning and multimedia softwares on iranian efl students vocabulary learning. in addition, the present study tried to examine the extent to which multimedia softwares can be applied into efl classes in iran. it also attempted to find out students attitudes toward using these softwares. to this end, 87 iranian efl learners at el...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم انسانی 1393

as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1389

?it is of utmost priority for an experienced teacher to train the mind of the students, and enable them to think critically and correctly. the most important question here is that how to develop such a crucial ability? this study examines a new way to the development of critical thinking utilizing critical discourse analytical tools. to attain this goal, two classes of senior english la...

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

abstract the present study was conducted to investigate the effectiveness of a rather newly developed method in language teaching that is the use of paragraph reading task and whole reading task and their effects on improving efl learner’s speaking ability. to fulfill the purpose of the study, first 90 participants studying their course at sa eedi high school in tehran were chosen by means of ...

2016
Hussain Ahmed Darraj Mohamed Salih Mahfouz Rashad Mohamed Al Sanosi Mohammed Badedi Abdullah Sabai Abdulrahman AL Refaei Hussain Mutawm

Background. Depression is a serious mental health disease. Globally, it is estimated that almost 350 million people suffer from depression. It is important to assess depression literacy including knowledge and beliefs about mental disorders among adolescents. Objective. This study was conducted to validate the Arabic version of the Depression Literacy Questionnaire (D-Lit) among adolescents. Me...

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