نتایج جستجو برای: selected randomly

تعداد نتایج: 476153  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

Journal: :Social Science Research Network 2022

When selecting a committee that decides for an entire body of members society (a court, legislature, etc.) two main methods are used: random assignment and direct election (whereby the latter method is made by some authority). It known both have flaws (Hasday, 2017). We present new proposes pool committees so randomly within this pool, all in equal opportunities being selected properties repres...

Journal: :An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 2013

Journal: :International Journal of Environmental Research and Public Health 2010

Journal: :Journal of Deliberative Democracy 2020

1996
Alex J. Grant

| We consider the eeect of using randomly selected sequence multisets for the uplink of a code-division multiple-access channel. In particular, we calculate a tight lower bound on the expected value of the sum capacity, over the ensemble of randomly selected sequence multi-sets. We show that for large systems, the sum rate penalty for using randomly selected multi-sets is at most 1 nat, and van...

2011
Jimmy Efird

When planning a randomized clinical trial, careful consideration must be given to how participants are selected for various arms of a study. Selection and accidental bias may occur when participants are not assigned to study groups with equal probability. A simple random allocation scheme is a process by which each participant has equal likelihood of being assigned to treatment versus referent ...

Journal: :CoRR 2012
Brian Eriksson

The problem of hierarchical clustering items from pairwise similarities is found across various scientific disciplines, from biology to networking. Often, applications of clustering techniques are limited by the cost of obtaining similarities between pairs of items. While prior work has been developed to reconstruct clustering using a significantly reduced set of pairwise similarities via adapt...

پایان نامه :0 1375

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...

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