نتایج جستجو برای: the descriptive statistics frequency

تعداد نتایج: 16126668  

Journal: :Communications in Statistics - Simulation and Computation 2015
Han Lin Shang

Re-sampling methods for estimating the distribution of descriptive statistics of functional data are considered. Through Monte-Carlo simulations, we compare the performance of several re-sampling methods commonly used for estimating the distribution of descriptive statistics. We introduce two re-sampling methods that rely on functional principal component analysis, where the scores were randoml...

ژورنال: پژوهش های تربیتی 2017

The purpose of this practical descriptive study was to explore the professional ethics of secondary school teachers in Khorramabad. The participants were 1089 secondary school teachers (756 women and 333 men). Based on the sampling table of Krejcie and Morgan (1970), the recommended sample was 285. Stratified random sampling technique was engaged. The required data were collected using standard...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

Journal: :educational research in medical sciences 0
shirin iranfar education development center, kermanshah university of medical sciences, kermanshah, iran. ramin khoshnoudi dept. of medical lab technology, school of paramedics, kermanshah university of medical sciences, kermanshah, iran. mansour rezaei dept. of biostatistics, school of public health, social development and health promotion research center, kermanshah university of medical sciences, kermanshah, iran. solaiman ahmadi dept. of medical education, school of medical education, shahid beheshti university of medical sciences, tehran, iran. ahmad khoshay dept. of nursing, school of nursing and midwifery, kermanshah university of medical sciences, kermanshah, iran asmat rashiditabar dept. of medical lab technology, school of paramedics, kermanshah university of medical sciences, kermanshah, iran.

introduction: test anxiety is a common phenomenon among students and is one of the problems of educational system. the present study was conducted to investigate the test anxiety in vital statistics course and its association with academic performance of students at kermanshah university of medical sciences. this study was descriptive-analytical and the study sample included the students studyi...

Journal: :educational research in medical sciences 0
firoozeh khamoushi student research committee, kermanshah university of medical sciences, kermanshah, iran. arash parsa moghaddam student research committee, kermanshah university of medical sciences, kermanshah, iran. mahtab sadeghi dept. of psychology, school of medicine, kermanshah university of medical sciences, student research committee, kermanshah, iran. ali akbar parvizifard dept. of psychology, school of medicine, kermanshah university of medical sciences, student research committee, kermanshah, iran. akram ahmadzadeh student research committee, kermanshah university of medical sciences, kermanshah, iran.

introduction: students are often similar in terms of learning ability and talent. however, there are remarkable differences in their academic performance during their schooling, which can be due to the differences in their academic motivation and achievement motivation. the current study was carried out to compare achievement motivation and academic achievement among the students of kermanshah ...

Journal: :iranian journal of public health 0
f agha-hosseini f tirgari s shaigan

some lesions in the oral cavity and mostly on gingiva have predominant predilection towards females, and mostly occur in the first four decades of life when changes in sex hormone levels in blood are obvious. the present study aimed to investigate the presence and distribution of estrogen and progesterone receptors in peripheral giant cell granuloma (pgcg), pyogenic granuloma (pg) and periphera...

Background: The aim of this study was to determine the prevalence of affective-emotional disorders in exceptional children in West Azerbaijan province. Method: The population of study was consisted of all children studying at all educational grades of West Azerbaijan province schools in 2011-12. Out of 2854 exceptional children students, stratified randomized method was used to select 481 s...

Journal: :international journal of pediatrics 0
zaher khazaei social determinants of health research center, kurdistan university of medical sciences, sanandaj, iran salman khazaei 6. department of epidemiology & biostatistics, school of public health, hamadan university of medical sciences, hamadan, iran rohollah valizadeh msc student of epidemiology, urmia university of medical sciences,urmia, iran. sakineh mazharmanesh department of health services, hamadan university of medical sciences, hamadan, iran shahram mamdohi director of the department diseases city of boroujerd, and legal of medical school sajjad rahimi pordanjani instructor , msc in epidemiology, department of public health, school of health, semnan university of medical sciences, semnan ,iran

background injuries and accidents are the first cause of death in the first 5 years of children life in the world; the present study was conducted to investigate the extent and distribution of accidents in the infants under one year in hamadan province, iran. materials and methods:this cross-sectional descriptive-analytic study was carried out using of   data of injuries and accidents related t...

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