نتایج جستجو برای: pearson correlation coefficient and stepwise method

تعداد نتایج: 17078754  

2010
Taylor Phillips Chris GauthierDickey Ramakrishna Thurimella

Pearson product-moment correlation coefficients are a wellpracticed quantification of linear dependence seen across many fields. When calculating a sample-based correlation coefficient, the accuracy of the estimation is dependent on the quality and quantity of the sample. Like all statistical models, these correlation coefficients can suffer from overfitting, which results in the representation...

Journal: :مدیریت ورزشی 0
کیومرث بازوند دانشگاه ارومیه میرمحمد کاشف دانشگاه ارومیه محمدرضا اسمعیلی پژوهشگاه تربیت بدنی

the aim of this study was to determine the relationship of organizational commitment and job satisfaction with emotional intelligence of employees. the statistical population included all staff of physical education general dpeartment of lorestan province (n=50). due to the low sample size, the sample equaled the statistical population. to collect data,  the emotional intelligence questionnaire...

ژورنال: رویش روانشناسی 2019

Obesity and overweighting as a chronic disorder are effected from the complex interaction of environmental, cultural, psychosocial, metabolic, and genetically factors and cause an emotional, psychological, and social problem for peoples. The current research aimed to determine the relationship between body image and social anxiety with positive and negative affect in overweight women. A descrip...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1388

abstract the aim of this study was threefold: (1) to investigate the relationship between knowledge of semantic prosody and efl learners general language proficiency; (2) to examine the relationship between qualitative as well as quantitative knowledge of words, and (3) to compare the performance of efl learner on receptive and productive measures of semantic prosody. the study is based on a...

2004

Kendall Rank Correlation Let (X1, Y1), · · · , (Xn, Yn) be a bivariate random sample of size n. The Pearson correlation coefficient provides an optimal measure of the degree of association between the X’s and the Y ’s when the sample is drawn from a bivariate normal distribution. The Pearson correlation coefficient is reasonably robust for many other distributions as well. The Kendall correlati...

ژورنال: ابن سینا 2021
Aghili, Seyed Mojtaba , Rahat Ramroudi, Azadeh,

Background and aims: The release of covid-19 has created a global health emergency in less than a few months around the world. The aim of this study was to predict Post-Traumatic Stress Disorder (PTSD) based on perceived anxiety caused by coronavirus in nurses of a hospital in Quchan city, Iran in 2020. Methods: In this descriptive correlational study, 100 nurses of a hospital in Quchan ...

2016
Gang-Jin Wang Chi Xie H. Eugene Stanley

We construct a Pearson correlation-based network and a partial correlationbased network, i.e., two minimum spanning trees (MST-Pearson and MST-Partial), to analyze the correlation structure and evolution of world stock markets. We propose a new method for constructing the MST-Partial. We use daily price indices of 57 stock markets from 2005 to 2014 and find (i) that the distributions of the Pea...

Journal: :journal of industrial strategic management 2014
s kazemi b enayati hatkehlui a kazemi

this study aims to determine the relationship between organizational culture factors and employees’ group dynamics in general office of education in mazandaran province during 2013-2014. it is a descriptive-survey research. the statistical population consists of 273 employees working in general office of education in mazandaran province by whom 120 people are selected by stratified random sampl...

Malihe Pishvaei Roghayeh Ataie-Moghanloo Vahid Ataie-Moghanloo

Background & Aims: Generalized anxiety disorder (GAD) can be affected by different emotional, cognitive, and natural factors. The purpose of this study was to predict GAD based on emotion regulation deficits, thought-action fusion, and behavioral inhibition. Methods: This was a correlational study. The study sample was comprised of 135 patients with GAD selected from amo...

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