نتایج جستجو برای: wallis test and mann
تعداد نتایج: 16904837 فیلتر نتایج به سال:
OBJECTIVES The aim of this study was to determine the apical surface characteristics and presence of dental cracks in single-rooted premolars, resected 3.0 mm from the root apex, using the Er: YAG laser, tungsten carbide bur, and diamond-coated tip, by scanning electron microscopy (SEM). EXPERIMENTAL DESIGN Thirty single-rooted premolar teeth were collected. The instrumented and obturated tee...
OBJECTIVE To compare non-parametric tests and procedures of selection in building clinically validated genotypic scores. DESIGN AND PATIENTS In the Jaguar study, 111 patients on a stable antiretroviral regimen experiencing virological failure were randomized in the didanosine (ddI) arm to receive ddI for 4 weeks in addition to their current combination therapy. METHODS The virological respo...
Background and purpose: Airway management is a fundamental principle in treatment of emergency patients and reduction of mortality. The purpose of this study was to determine the performance of prehospital emergency medicine servises (EMS) in endotracheal intubation and its related factors in mannequin. Materials and methods: This cross-sectional analytic study was performed in 70 EMS staff ...
The purpose of the study was to compare marginal accuracy Ni-Cr copings made by four different pattern forming methods, using inlay casting wax and resin in conventional manner, patterns CAD & milling a 3 dimensional printing (3DP) technology total 40 test samples cast were out 10 each group wax, resin, from 3D technology. Each coping seated on stainless steel die evaluated for both vertica...
with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...
The purpose of this study was to evaluate the effects of Coca-Cola and Schweppes Limón on bond strength, adhesive remnant, and microleakage beneath brackets. One hundred and twenty upper central incisor brackets were bonded to bovine incisors and divided into three groups: (1) Control, (2) Coca-Cola, and (3) Schweppes Limón. The teeth were submerged in the drinks three times a day for 15 minute...
abstract the current research tried to examine the impact of multiple intelligence (mi) and its components on multiple choice (mc) and open ended (oe) reading comprehension tests. ninety six students of high school in grade four took part in this study. to collect data, participants completed multiple intelligence (mi) questionnaires along with a multiple choice (mc) and open ended (oe) forms ...
nutrition department has a critical effect on patient satisfaction and improves the therapeutic process and is one of the most important departments in hospitals. the current study was carried out to assess haccp implementation requirements in the nutrition department of the selected hospitals of tehran university of medical sciences in 2010. in this descriptive, cross sectional study, nutritio...
the purpose of the present study was to see which one of the two instruction-processing instruction (pi) and meaningful output based instruction (mobi) accompanied with prompt and recast- is more effective on efl learners’ writing accuracy. in order to homogenize the participants in term of language proficiency a preliminary english test (pet) was administrated between 74 intermediate students ...
background: inadequate use of these techniques probably increases the risks of radiography. this study has been accomplished in 2016 to determine medical students and residents of birjand university of medical science awareness levels of principles of protection in radiologic imaging. methods: in this descriptive research, all medical students, including externs, interns, radiology residents an...
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