نتایج جستجو برای: paired sample ttest

تعداد نتایج: 450812  

Journal: :رشد و یادگیری حرکتی - ورزشی 0
حسن کیائی کارشناس ارشد، رفتار حرکتی، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی، تهران، ایران جعفر نوری بیگلویی کارشناس ارشد، رفتار حرکتی، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی، تهران، ایران معصومه شجاعی دانشیار دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه الزهرا، تهران، ایران

the present study aimed at determining resources of sport self-confidence in elite bodybuilders and their relationship with body image. the subjects of study included 35 bodybuilders participating in qualifying tournaments of bodybuilding national team. a questionnaire for resources of sport self-confidence and a questionnaire of physical self-description were used to collect data. kolmogorov–s...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1391

از زمان پیدایش رویکرد پروسه-محوری در آموزش مهارت نوشتاری در زبان دوم مسائل مهم در امر آموزش مهارت نوشتار، نحوه و چگونگی ارائه بازخورد اصلاحی به نوشتار دانشجویان بوده است. در این مطالعه سعی شده است تا تاثیر بازخوردهای اصلاحی صریح و ضمنی بر روی صحت و درستی نوشتار دانشجویان با مهارت زبانی متوسط در ایران و در یک محیط دانشگاهی (n = 59) مورد بررسی قرار بگیرد. قبل از اجرای پروژه آزمون تافل وپیش آزمون ...

Journal: :The Journal of infectious diseases 2004
Glen P Westall Alexandra Michaelides Trevor J Williams Greg I Snell Thomas C Kotsimbos

BACKGROUND In lung transplant recipients (LTRs), the measurement of human cytomegalovirus (HCMV) load dynamics in the local environment of the lung allograft may offer distinct advantages over their assessment in the peripheral blood compartment. METHODS We compared HCMV load in paired bronchoalveolar lavage (BAL) and plasma samples in a prospective cohort of LTRs. RESULTS In all, 182 paire...

2015
WangQiang Hu XiaoXia Wang RongRong Yang YaoSheng Xie Zhuo Zhang Hong Lu LianFeng Wu MeiMei Lai Kang Yu

To investigate an oncogenic mutation of SETBP1 in the evolution from acute myelomonocytic leukemia (M4) to secondary aCML. Clinical data and molecular studies were analyzed of paired aCML and 'normal'DNA from a case with M4. We identified a mutation in SETBP1 (encoding a p.Asp868Ala alteration). The analysis of paired sample indicated that SETBP1 mutation was acquired during leukemic evolution.

Journal: :Journal of AOAC International 2002
Douglas B Moore Nanc L Britton Robert L Smallidge Ken L Riter

An improved method for extraction and analysis of tiamulin is presented to address issues that arose during routine analysis of Type C medicated swine feeds under the current U.S. Food and Drug Administration-Center for Veterinary Medicine (FDA-CVM) approved method. The issues included the need for higher sample throughput and the ability to accommodate a wider variety of feed matrixes. Changes...

Journal: :Jurnal Ilmiah Dikdaya 2023

The purpose of this research is to find out the effect Cooperative and Integrated Reading Composition Strategy toward student reading comprehension at tenth grade students Vocational High School 1 Muaro Jambi. Th design in was quantitative with experimental approach. population sample were class XTKJ 2 simple random technique. instrument test multiple choice test. data collection pre-test, trea...

2017
Drew FRALICK Julia Z. ZHENG Bokai Wang Xin M. TU Changyong FENG

In clinical research, comparisons of the results from experimental and control groups are often encountered. The two-sample t-test (also called independent samples t-test) and the paired t-test are probably the most widely used tests in statistics for the comparison of mean values between two samples. However, confusion exists with regard to the use of the two test methods, resulting in their i...

2007

In such experiments, two samples must be taken from the two populations involved. The difference between the sample means provides information about the difference between population means. Two samples are said to be independent if the observations in one are not in any way related to the observations in the other. For instance, animals of the same breed and of similar age are randomly assigned...

Journal: :سالمند 0
لاله باقری laleh baghery tarbiat moalem university,tehran,iranدانشگاه تربیت معلم تهران فاطمه سلامی fatemeh salami tarbiat moalem university,tehran,iranدانشگاه تربیت معلم تهران مهدی هدایتی mehdi hedayati shahidbeheshti university,tehran,iranدانشگاه علوم پزشکی تهران جلیل ر ییسی jalil reisi tarbiat moalem university,tehran,iranدانشگاه تربیت معلم تهران

objectives: the purpose of this study was to consider the effect of eight weeks aerobic training on pth, albumin, calcium, alkaline phosphatesand estrogen levels in postmenopausal women. methods & materials: 22 postmenopause women, 55-70 years, of jahandidegan center in tehran were selected and randomly divided into two groups: (experimental (12) and control (10)) .they had aerobic training pro...

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