نتایج جستجو برای: multiple linear regression analyses were usedin this analysis
تعداد نتایج: 8867312 فیلتر نتایج به سال:
In this work some quantitative structure activity relationship models were developed for prediction of three bioenvironmental parameters of 28 volatile organic compounds, which are used in assessing the behavior of pollutants in soil. These parameters are; half-life, non dimensional effective degradation rate constant and effective Péclet number in two type of soil. The most effective descripto...
Background: Since Tehran University of Medical Sciences (TUMS) has the oldest and highest number of research centers among all Iranian medical universities, this study was conducted to evaluate scientific output of research centers affiliated to Tehran University of Medical Sciences (TUMS) using scientometric indices and the affecting factors. Moreover, a number of scientometric indicators we...
The purpose of this study was to investigate the relationship between power bases of sport federations' president (PBSP-other) with employees effectiveness. Population of this study was employees included of experts, federation committee chiefs and vise chiefs federation committee, n=288 that completed (POSP-other) questionnaire and employees Effectiveness. PBSP–other questionnaire (with 15 que...
on the substantive and predictive validity facets of the university entrance exam for english majors
this study examined the substantive and predictive validity facets of the university entrance examination for english major (ueeem) students. to that aim, 111 english major students were recruited to report their scores on each of the subtests of the test as well as their grade point average. sequential multiple regressions and factor analysis were used in the analysis of the data. results ackn...
background: one of the elements of the broadening focus of health care beyond its traditional and restricted concept has been the increasing adoption quality of life approach to health care research and practice. objectives: to investigate the qol of women in the third trimester of pregnancy and at 8 weeks postpartum and factors associated with the overall qol. materials and methods: three hund...
empowering employees in specialized and general qualifications fields is required for urban management organization (tehran municipality). planning and establishment of comprehensive system of electronic learning is considered the main goal of human resource and educational managers. . this study tried to investigate the feasibility and execution of electronic learning courses for in-service st...
in current study, 63 samples of bat populations collected from differ regions were used for evaluating the geographic variations. twenty cranial and dental characters for traditional morphometric and landmarks method on the ventral, dorsal skull and mandible for geometry morphometric studies were used. statistical analyses of traditional morphometric and geometry morphometric data indicated low...
to teach english adequately, qualified teachers are needed. unfortunately, there are still teachers who are teaching english without an academic degree in tefl. it is necessary for teachers to have a major in english to have subject knowledge, but it is not sufficient. teachers need to have an understanding of the social, cultural, moral, ethical, and pedagogical issues of education and practic...
In this section, we address the problem of multicollinearity in multiple regression analysisthat appeared in the article titled, " Correlation between frailty and cognitive function in non-demented community dwelling older Koreans, " published in November 2014 by Kim et al. This is one of the most frequent comments made about articles usingmultiple regression analysis. Multicollinearity indicat...
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