نتایج جستجو برای: pearson correlation coefficient and stepwise method
تعداد نتایج: 17078754 فیلتر نتایج به سال:
Two measures of association for dichotomous variables, the phi-coefficient and the tetrachoric correlation coefficient, are reviewed and differences between the two are discussed in the context of the famous so-called Pearson-Yule debate, that took place in the early 20th century. The two measures of association are given mathematically rigorous definitions, their underlying assumptions are for...
Objectives: The aim of this descriptive study was to examine the relationships between identity styles of the Berzonsky model and religiosity. Method: 359 students (182 males and 177 females) who were selected using a randomized stratified multi-stage method from among undergraduate students of Shahid Beheshti and Tehran universities, were assessed using Berzonsky Identity Styles Inventory (ISI...
Purpose: To investigate the factors affecting communicational skills of regimental commanders toward conscripts at an army introductory military training center in Tehran. Materials and Methods: The participants were 82 regimental commanders of the regiments and battalions of an introductory military training center. A 21-item questionnaire was used to collect the required data. Descriptive...
Objectives To determine whether age, body mass index (BMI), hand length and forearm circumference were predictive of hand grip strength in healthy Saudi Arabian adult males. Methods This cross-sectional descriptive study recruited healthy adult male volunteers. Their anthropometric characteristics including age, BMI, hand length and forearm circumference were measured using routine techniques. ...
Introduction: Marital satisfaction is one of the most important indicators of life satisfaction, which affects on mental health and the level of life satisfaction of couples. Therefore identify factors affecting marital satisfaction is necessary. The aim of present study is investigating the role of shift work tolerance and job stress as predictions of marital satisfaction. Method: In this des...
we livein the era that are seeing the growing use of social networks among family members especially youth. this study was conducted to investigate relationship between family function and use of social networks among high school students.the type of this study was correlational and conducted in 2015-16. the study population included all high school students in the second period of qazvin. 175...
Purpose: Lesion volume is a meaningful measure in multiple sclerosis (MS) prognosis. Manual lesion segmentation for computing volume in a single or multiple time points is time consuming and suffers from intra and inter-observer variability. Methods: In this paper, we present MSmetrix-long: a joint expectation-maximization (EM) framework for two time point white matter (WM) lesion segmentation....
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