نتایج جستجو برای: analysis and meta

تعداد نتایج: 17276855  

Journal: :iranian red crescent medical journal 0
reza ghanei gheshlagh msc in nursing, kurdistan university of medical sciences, sanandaj, ir iran naser parizad department of nursing, faculty of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran kourosh sayehmiri department of biostatistics, prevention of psychosocial injuries research center, ilam university of medical sciences, ilam, ir iran; department of biostatistics, prevention of psychosocial injuries research center, ilam university of medical sciences, ilam, ir iran. tel: +98-9183410782, fax: +98-84132240404

conclusions there is a relationship between depression and metabolic syndrome. results seventeen studies were analyzed with a sample size of 31880 people. analysis by the type of studies showed that the relationship between the two variables in cross-sectional studies (or = 1.51, ci 95% = 1.36 - 1.68) and cohort studies (or = 1.6, ci 95% = 1.23 - 2.08) was significant. in general, the heterogen...

Journal: :journal of research in medical sciences 0
yang yang yun feng xiao?guang zhou jing?jing pan xiao?yu zhou

background: respiratory distress syndrome and persistent pulmonary hypertension of the newborn are common acquired diseases in preterm infants. in the past several years, randomized controlled trials (rcts) have indicated that inhaled nitric oxide (ino) can potentially lower for both the incidence of bronchopulmonary dysplasia (bpd) and mortality in affected infants. other research has, however...

Journal: :international journal of high risk behaviors and addiction 0
saideh safari hajat aghaii department of clinical psychology, isfahan university, ir iran +98-9137948047, [email protected]; department of clinical psychology, isfahan university, ir iran +98-9137948047, [email protected] ayoub kamaly department of clinical psychology, isfahan university, ir iran +98-9137948047, [email protected] mehdi esfahani department of clinical psychology, isfahan university, ir iran +98-9137948047, [email protected]

background in recent years, many studies have been conducted to establish the causes of people’s tendency to become addicted and researchers have also tried to determine the amount, importance and role of each individual and environmental factor. objectives with regard to the inconsistencies in previous research results, this study aims to use meta-analysis in order to integrate the results of ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده زبانهای خارجی 1389

previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract in this study, we synthesized a novel template polymer by using methacrylic acid (mma) as functional monomer, ethylene glycol dimethacrylate(egdma) as cross linker, 2,2-azobisisobutyronitrile (aibn) as initiator and olanzapine as targeted molecule in the presence of chloroform and acetonitrile as solvent. the products have been characterized and confirmed by (chn)elemental analysis,...

Journal: :iranian red crescent medical journal 0
zeynab farhadi school of medicine, babol university of medical sciences, babol, ir iran saeideh alidoost health management and economics research center, iran university of medical sciences, tehran, ir iran meysam behzadifar department of public health, faculty of health and nutrition, lorestan university of medical sciences, khorramabad, ir iran roghayeh mohammadibakhsh hamadan university of medical sciences, hamadan, ir iran najmeh khodadadi mashhad university of medical sciences, mashhad, ir iran razieh sepehrian department of health services management, school of health management and information sciences, iran university of medical sciences, tehran, ir iran

context migraine is a major dilemma and problem which affects public health and results to reduced quality of life. this study aimed to determine the prevalence of migraine in iran. evidence acquisition a systematic search was conducted using pub med, web of science, embase, scopus, ovid, google scholar, as well as iranian databases including: magiran, iranmedex and scientific information datab...

Journal: :iranian journal of basic medical sciences 0
mohammad reza haghshenas department of microbiology, molecular and cell-biology research center, faculty of medicine, mazandaran university of medical sciences, sari, iran tahoora mousavi student research committee, molecular and cell biology research center, faculty of medicine, mazandaran university of medical sciences, sari, iran mahmood moosazadeh health sciences research center, faculty of health, mazandaran university of medical sciences, sari, iran mahdi afshari department of community medicine, zabol university of medical sciences, zabol, iran

objective(s):this study aims to investigate the relationship between human papillomavirus (hpv) and breast cancer using meta- analysis. materials and methods: relevant studies were identified reviewing the national and international databases. we also increased the search sensitivity by investigating the references as well as interview with research centers and experts. finally, quality assessm...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

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