نتایج جستجو برای: fisher exact test and t
تعداد نتایج: 17035620 فیلتر نتایج به سال:
the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...
Background and Aims: Trauma to the teeth is a common problem that occurs in children. Avulsion is the one of the most complex dental damages that if be untreated can cause multiple problems. Since many of dental traumas happen in school and school health teachers have main role in children treatments, the aim of this study was to evaluate the primary school health teachers’ knowledge rega...
objective: preeclampsia is one of the most important complications of pregnancy that is associated with increased morbidity and mortality. the aim of this study was to investigate the relation between serum iron status and ferritin with pre-eclampsia. materials and methods: this case control study evaluated 33 preeclamptic patients and 33 normal pregnant women before parturition in imam hossein...
Introduction: Unsafe sexual behaviors as important risky behaviors can expose individuals and society to dangerous infectious disease such as AIDS and viral hepatitis. Considering the high prevalence of unsafe sexual behaviors, this study aimed to determine the effect of educational programs to encourage safe sexual behaviors among substance abusers referred to substance abuse treatment centers...
یکی از عوارض نادر انفارکتوس میوکارد که طی هفته ها و ماهها بعد از آن اتفاق می افتد آنوریسم بطن چپ است که به صورت قطعه ای نازک و گسسته دیواره بطن چپ که هم در طول سیستول و هم در طول دیاستول برآمده است و پایه عریضی دارد تعریف می شود . اکثر آنوریسم های بطن چپ در دیواره قدامی و اپکس و در تعداد کمی در دیواره خلفی قاعده ای قلب رخ می دهد. هدف از این مطالعه تعیین یافته های الکتروکاردیوگرافی در بیماران مب...
Introduction: Gestational diabetes Mellitus (GDM) is a common disorder that without screening may remain undiagnosed. Screening for GDM is still a matter of dispute and there is no consensus as yet regarding the screening of GDM. Objective: Present study aimed to determine prevalence of GDM and assessment for risk factors in screening of pregnant women. Methods: In this cross sectional study ...
background: drug addiction is one of the social health problems at the present century. the high risk sexual behaviors as well as drug abusing are factors of sexually transmitted infections. this study aimed to determine the prevalence of sexually transmitted infections and high risk behaviors among women who have referred to a de-addiction center. methods: in this descriptive study, 76 women w...
OBJECTIVE To assess the quality of neonatal transport performed by the Mobile Emergency Medical Services (Serviço de Atendimento Móvel de Urgência [SAMU]). METHODS This was a cross-sectional before-and-after observational study. The study was carried out from March to August of 2013 using a validated instrument, the Transport Risk Index of Physiologic Stability (TRIPS), to assess the characte...
this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...
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