background and objectives: an association between socioeconomic status (ses) and poor health has been recognized. inequalities in nutrition have been associated with inequalities in health. this study aimed to identify the social variability in the food and nutrient intake of iranian households. materials and methods: this study was conducted in the framework of the comprehensive study on house...

conclusions although ceiling effects should be considered for rehabilitation targets, the two-factor model of fim (motor and cognitive independence) has an eligible fitness for iranian patients with tbi. results the results of this study showed that the floor effect was not observed; however, ceiling effects were observed for the fim total score and its subscales. the confirmatory factor analys...

this paper is to develop a knowledge management (km) model in some iranian academic research centers (arc) based on km critical success factors. general km critical success factors (csf) were identified through literature review. then the research procedure led to the identification of km critical success factors in iranian arcs including 16 different factors. it was done through first stage su...

This paper presents results of an assessment of dominant hydro-geochemical processes controlling groundwater chemical composition, using an integrated application of cluster analysis and factor analysis. The area is located in south of saline playa and in Arak city. Cluster analysis classified samples into two main clusters according to their dominant chemical composition: cluster A (dominant c...

Disaster Management and current approaches in this field in one hand only has focused to physicalvulnerabilities and in the other hand has included consequential action to reduce vulnerability and improve physicalpreparation as well as resistance institutional insignificant during the disaster. Therefore, these approaches usually haveignored the capabilities and capacities of residents to reduc...

In order to evaluate the genetic variation in Iranian summer savory accessions, different accessions were analyzed using multivariate and univariate analysis. Results indicated that there were significant differences in some traits. The mean comparison analysis using least significant difference (LSD) test revealed significant differences among the accessions understudy. In this regard, the hig...

factor analysis is one of the most advanced multivariate statistical techniques applying to attain a variety of scientific and research goals such as model-building, hypothesis-building lest validation, identifying subtests and development conditions in order to perform the other advanced methods as multiple regression and structural equation models. while there are difficulties and complexitie...

the present study has been conducted to determine the surface water quality of urban area in savar, dhaka, bangladesh by determining some water quality parameters (transparency, temperature, ph, ec, eh, do, tss, tds, ts, bod5, cod, toc, cl-, br-, so4-2, no3-, no2-, po4-3, tp, hco3- and total alkalinity) as well as the status of phytoplankton’s community in the water from two lakes (tiger lake a...

having a comprehensive evaluation model with reliable data is useful to improve performance of supply chain. in this paper, according to the nature of supply chain, a model is presented that able to evaluate the performance of the supply chain by a network data envelopment analysis model and by using the financial, intellectual capital (knowledge base), collaboration and responsiveness factors ...

university of tehran administers a test known as the university of tehran english proficiency test (the utept) to phd candidates on a yearly basis. by definition, the test can be considered a high-stakes one. the validity of high stakes tests needs to be known (roever, 2001). as mesick (1988) maintains, if the validity of high stakes tests are not known, it might have some undesirable consequen...