نتایج جستجو برای: there exist positive and significant correlations between age

تعداد نتایج: 17009301  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

Journal: :journal of research in medical sciences 0
syad saleh tabatabaie mohammad hossein boskabady sakinah shah mohammadi oranus mohammadi prisa saremi sediqa amery

background: pulmonary function tests (pfts) are used in assessing physiological to clinical status of the respiratory system, which is expressed as a percentage of predicted values. predicted pfts values are varies in different ethnics. predicted pfts values were studied in a sample of iranian children. materials and methods: prediction equations for pfts were derived from urban children in the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و زبانهای خارجی 1392

abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

ژورنال: سلامت کار ایران 2015

Background and aims: The aim of this study is determining factors related to workers' use of hearing protection devices in Shoga factory Yaft Abad, based on Protection Motivation Theory. Methods: In this cross-sectional analytical study, 60 workers who were exposed to harmful noise selected among factory shifts by randomized sampling method. The questionnaire included 6 demographic questions, 8...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات و زبانهای خارجی 1393

rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...

The importance of using visual social media as the digital learning and inspiration resources in architecture is blatantly obvious. On the contrary, there are still gaps in the position of those platforms in the elements of creativity and performance within design studios. The major research question is how does the architecture students' use of architectural content on Instagram relate to thei...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
فاطمه رزاقی بورخانی دانشجوی کارشناسی ارشد ، پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی اسدی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

the main purpose of this research was to investigate farmer’s attitude towards privatization of agricultural extension in shirgah district , mazandaran province. the statistical population consisted of 15300 farmers who inhabited as residents in 54 villages. using stratified proportional random sampling, 150 farmers (through cochran formula) were selected. the study revealed that 84% of farmers...

2001
ARTHUR R. JENSEN FRED W. JOHNSON

An analysis of IQ in relation to head size (and by inference, brain size) was performed on some 14,000 children and their full siblings, almost evenly divided by race (white and black) and sex, on whom data were obtained at ages 4 and 7 years in the National Collaborative Perinatal Project. Within each race X sex group, IQ is significantly correlated with head size, age and body size having bee...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

this thesis is an evaluation of poetry of sylvia plath (1932- 1963) and forough farrokhzad (1935-1967) using feminist approach and finds the positive concepts of hope, reason and strength through feminine images in their poetry. plath and farrokhzad are from different cultures and different countries but they share the same concepts and themes in their poetry. by applying feminist theory to the...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...

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