نتایج جستجو برای: test and paired t
تعداد نتایج: 17025285 فیلتر نتایج به سال:
Background Certain essential and conditionally essential nutrients (CENs) perform functions involved in aerobic exercise performance. However, increased intake of such nutrient combinations has not actually been shown to improve such performance. Methods For 1 mo, aerobically fit, young adult women took either a combination of 3 mineral glycinate complexes (daily dose: 36 mg iron, 15 mg zinc,...
رویکردی همه جانبه در مورد ارزشیابی پویا: شناسایی بخش های دشوار با استفاده از روش گزارشی تأمل گرایانه
از دیرباز دانش آموزان در بخش نگارش زبان دچار مشکل بوده اند. روش های سنتی تنها به ارزیابی توانایی افراد در بخش نگارش می پردازد. این تحقیق بر نظریه ی وایگتسکی و توجه به پتانسیل افراد در یادگیری بیشتر با استفاده از کمک خارجی بنا شده است. بنابر این نظریه، تدریس و ارزشیابی نباید به صورت جدا در نظر گرفته شوند، بلکه باید با ادغام این دو توسط ارزشیابی پویا، دانش آموزان را نسبت به مشکلات نگارشی خود آگاه...
abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...
conclusions we discovered a consistent reduction of serum ace levels by two oral antiviral monotherapies, entecavir and telbivudine. serum ace levels were negatively correlated with egfrs in telbivudine treated patients. objectives we aimed to investigate changes in serum protein abundances associated with renal function in response to antiviral treatments. materials and methods primarily, a tr...
background and purpose: this study aimed to manage medical errors before and after the implementation of accreditation in public, private, and social security hospitals of mazandaran, iran. materials and methods: this descriptive study has been done in 38 hospitals. data were collected through documents reviewed relating to 2013 and 2014. the paired t-test and friedman test were used by statist...
during the process of reading, sometimes learners use ineffective and inefficient strategies and some factors may influence their use of strategies. perhaps critical thinking is one of these factors. this study aims to identify those categories of reading strategies that are mostly used by iranian efl learners and to see if there is any significant relationship between the critical thinking abi...
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...
Introduction: Many factors cause cognitive impairment, including medication, such as selective serotonine reuptake inhibitor drugs use. On the other hand, many drugs are used in cognitive impairment therapy, including donepezil, which act by inhibiting the cholinesterase enzyme and increase brain acetylcholine. Methods: This study was a double-blind controlled randomized controlled clinical tr...
Appropriate statistical analyses are an integral part of surgical research. The purpose of this work is to assist surgeons and clinicians with the interpretation of statistics by providing a general understanding of the basic concepts that lead to choosing an appropriate statistical test for common study designs. It is extremely important to understand the nature of the data before embarking on...
در جهان امروز و در شرایط رقابتی بازار، کیفیت محصول و بهره وری به عنوان دو عامل اساسی و مهم در حفظ و بقای موسسات حرف اول را زده و آنهایی که از بهره وری و کیفیت بالاتری برخوردار هستند در بازار حضور داشته و ماندگار خواهند ماند. از این رو اطلاع مداوم از وضعیت بازار و کیفیت و کمیت محصولات رقبا و همچنین سیستم ها و روش های انجام کار آنها برای هر موسسه و شرکت رقیب ضروری و اجتناب ناپذیر است تا ضمن اینکه...
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