• Structural Engineering and Mechanics
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• v.66 no.4
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• pp.423-438
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• 2018

This pioneer study focuses on finite element modeling and numerical modeling of three types of Reinforced Concrete Haunched Beams (RCHBs). Firstly, twenty RCHBs, consisting of three types, and four prismatic beams which had been tested experimentally were modeled via a nonlinear finite element method (NFEM) based software named as, ATENA. The modeling results were compared with experimental results including load capacity, deflection, crack pattern and mode of failure. The comparison showed a good agreement between the results and thus the model used can be effectively used for further studies of RCHB with high accuracy. Afterwards, new mechanism modes and design code equations were proposed to improve the shear design equation of ACI-318 and to predict the critical effective depth. These equations are the first comprehensive formulas in the literature involving all types of RCHBs. The statistical analysis showed the superiority of the proposed equation to their predecessors where the correlation coefficient, $R^2$ was found to be 0.89 for the proposed equation. Moreover, the new equation was validated using parametric and reliability analyses. The parametric analysis of both experimental and predicted results shows that the inclination angle and the compressive strength were the most influential parameters on the shear strength. The reliability analysis indicates that the accuracy of the new formulation is significantly higher as compared to available design equations and its reliability index is within acceptable limits.

• Journal of Construction Engineering and Project Management
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• v.6 no.3
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• pp.1-7
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• 2016

The purpose of this paper is to develop a model for selecting the best contractor in the Gaza Strip using the Artificial Neural Network (ANN). The contractor's selection methods and criteria were identified using a field survey. Fifty four engineers were asked to fill a questionnaire that covers factors related to the selection criteria of contractors practiced in Gaza Strip. The results shows that the dominant part of respondents (91%) confirmed that the current awarding method "the lowest bid price" is considered one of the major problems of the construction sector, "award the bid to the highest weight after combination of the technical and financial scores" represented 50% of the respondents. The criteria weights were determined based on Relative Importance Index (RII. Ninety-one tenders(13 projects) were used to train and test the ANN model after re-evaluating the contractors depend on the weights of factors to select the best contractor who achieves the highest score. Neurosolution software was used to train the models. The results of the trained models indicated that neural network reasonably succeeded in selection the best contractor with 95.96% accuracy. The performed sensitivity analysis showed that the profitability and capital of company are the most influential parameters in selection contractors. This model gives chance to the owner to be more accurate in selecting the most appropriate contractor.

• Journal of Korean Elementary Science Education
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• v.30 no.4
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• pp.395-404
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• 2011

The purpose of this study was to analyze science gifted students' creativity subscales. The Torrance Tests of Creativity Thinking(TTCT) were administered to 385 science gifted students from 2006 to 2010 for this study. The results were as follows: First, fluency correlated highly with originality, and elaboration also highly correlated with abstractness of titles. All of the correlation coefficients of the variables with resistance to premature closure were high. Second, the elaboration scores were higher than other variables, and abstractness of titles scores and resistance to premature closure scores were lower than other variables regardless of regions and gender. There was no significant difference according to regions, but the elaboration scores of female science gifted students were significantly higher than male science gifted students'. The fluency scores were the most influential factor to the creativity index among the creativity subscale scores. Third, after completing the science gifted program, students showed significant difference in fluency scores, abstractness of titles scores, and resistance to premature closure scores; however, they showed no difference in originality scores and elaboration scores.

• The Journal of Asian Finance, Economics and Business
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• v.7 no.9
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• pp.169-178
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• 2020

In this paper, we provide an overview of financial development in Vietnam. Particularly, a new approach of this study is to measure financial development through improvements in depth, efficiency and access of the banking system and stock market. Further, the study examines the factors significantly affecting financial development in Vietnam. The data are collected in Vietnam, an emerging country with a limited financial development. We employ the Autoregressive Distributed Lag (ARDL) approach, which generates a high reliability and suits data characteristics of emerging countries like Vietnam. We observe that Vietnam's banking system plays a key role in supplying credits to the economy while the nascent stock market at a limited size shows its potential for a considerable growth in the future. We also find the influential determinants of financial development in Vietnam including real estate market (RE), economic growth (EG), consumer price index (CPI), and global financial crisis (GFC). These findings are essential for Vietnamese authorities in providing practical solutions in order to build a sustainable and synchronous financial development. They are also first empirical evidence relating to an overview of financial development in an emerging country, so they are not only valuable to Vietnam but also crucial to other emerging economies.

• Korean Journal of Human Ecology
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• v.19 no.5
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• pp.761-774
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• 2010

This study examined the relationship between parental efficacy, marriage satisfaction, social support, neighborhood context, and parental involvement in preschool children's education in low income families. Total 460 low income parents' data about parental efficacy, marriage satisfaction, social support, neighborhood context, and parental involvement are collected from the data of index studies for Korean child and adolescent's development in 2009. Parental efficacy, marriage satisfaction, perceived social support and perceived neighborhood context correlated positively with parental involvement. Regression analysis detected different patterns of association between these variables and the three dimensions of parent involvement. Perceived neighborhood context was associated with child care involvement, while parental efficacy was the most influential factor related to child leisure involvement. Marriage satisfaction was the strongest factor influencing involvement in children's educational activity. These results support the validity of a multi-dimensional, ecological conceptualization of parent involvement in low income families.

• Journal of Korean society of Dental Hygiene
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• v.17 no.3
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• pp.405-418
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• 2017

Objectives:This study aimed to identify the influences of leader-member exchange (LMX) and psychological empowerment of the dental hygienists on their job satisfaction. Methods: A self-administrated questionnaire survey was conducted from July 7 to August 2014 targeting 196 dental hygienists in Busan and Gyeongsangnamdo. Leader-member relationship, psychological empowerment and job satisfaction were evaluated by LMX scale, psychological empowerment scale and job descriptive index (JDI), respectively. Data were analyzed by descriptive analysis, t-test, one-way ANOVA, and multiple Linear regression analysis. Results: Overall LMX, psychological empowerment on job satisfaction level of subjects were $3.43{\pm}0.61$, $3.38{\pm}0.66$ and $3.20{\pm}0.42$, respectively. The influential factors of LMX, psychological empowerment and job satisfaction were professional respect (subcategory of LMX), affect (subcategory of LMX), meaning (subcategory of psychological empowerment) and impact (subcategory of psychological empowerment). Conclusions: Job satisfaction of dental hygienist is closely related to professional respect, affect, meaning and impact.

• Journal of Family Resource Management and Policy Review
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• v.11 no.2
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• pp.133-154
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• 2007

This research investigated consumer's usage of, evaluation on and satisfaction of the Auction Site, with a view to analyze the key factors influencing a commission paid Auction Site. The findings of results from the analysis are summarized as follows. First of all, the consumer group at the age equal to and less than 20 years old showed the highest purchasing frequency, and the consumer group with a household income less than 2,500,000 won showed the highest number of hours on the site. Secondly, the evaluation index showed that consumers think highly of the complaint resolution process, and, especially, the aged consumer group respected the Auction Site's level of confidentiality of transaction and privacy. Thirdly, among consumers' satisfaction, subdivided by types, price satisfaction was the highest followed by quality satisfaction, settlement satisfaction, delivery satisfaction, information satisfaction and AS satisfaction, in that order. Fourthly, in the event consumers used the commission paid Auction Site, the number of times it has been used, evaluations related to information provision and evaluations on confidentiality of transactions and privacy are influential parameters.

• Journal of the East Asian Society of Dietary Life
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• v.10 no.6
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• pp.522-529
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• 2000

This study was carried out to find the factors which are related to the weight gain during pregnancy of women and infant birth weight. The information of the general characteristics and pregnancy outcomes of the 506 women who had a delivery during Jan to Dec, 1997 in a hospital at Taegu area were collected from the medical records. The results are as follows. The mean age of the subjects was 29 years old and the average prepregnancy weight was 52.75kg. They gained 13.51kg of weight during the pregnancy. The weight gain during pregnancy was higher in prepregnancy BMI<20kg/m$^2$, the infant weight was heavier in groups that had over 14kg of weight gain during the pregnancy than other groups. The prepregnancy BMI was negatively correlated to weight gain during pregnancy(r=0.2825), and positively correlated to number of pregnancy(r=0.2146), number of living delivery(r=0.1409), and infant weight(r=0.1250). The baby weight was Positively correlated to weight gain during pregnancy(r=0.1392) and Apgar score(r=0.1627). The results showed that the prepregnancy BMI and weight gain during pregnancy may be the influential factors on the infant weight, thus we need to develop the specific nutritional management program according to the status of prepregnancy weight.

• Smart Structures and Systems
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• v.7 no.4
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• pp.263-274
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• 2011

A reliability-based slope stability assessment method considering fluctuations in the monitored matric suction was proposed for real-time identification of slope risk. The assessment model was based on the limit equilibrium model for infinite slope failure. The first-order reliability method (FORM) was adopted to calculate the probability of slope failure, and results of the model were compared with Monte-Carlo Simulation (MCS) results to validate the accuracy and efficiency of the model. The analysis shows that a model based on Advanced First-Order Reliability Method (AFORM) generates results that are in relatively good agreement with those of the MCS, using a relatively small number of function calls. The contribution of random variables to the slope reliability index was also examined using sensitivity analysis. The results of sensitivity analysis indicate that the effective cohesion c' is a significant variable at low values of mean matric suction, whereas matric suction ($u_a-u_w$) is the most influential factor at high mean suction values. Finally, the reliability indices of an unsaturated model soil slope, which was monitored by a wireless matric suction measurement system, were illustrated as 2D images using the suggested probabilistic model.

• The Journal of Asian Finance, Economics and Business
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• v.8 no.7
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• pp.129-137
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• 2021

This paper aims to analyze whether company characteristics are potential determinants of human resource accounting (HRA) disclosure practices by Vietnamese listed companies. It examines the human resource disclosure level of 204 companies by content analysis of these companies' annual reports. The study has relied on a multiple linear regression to test the association between a number of corporate attributes and the extent of human resource disclosure in companies' annual reports. The extent of human resource disclosure was measured using unweighted human resource disclosure index. The explanatory variables considered in this study were firm size, firm age, profitability, leverage, industry profile, and auditor type. The results revealed that the most influential variable for explaining firms' variation in human resource disclosure is firm size followed by firm age and profitability. Thus, it can be concluded that firm size, firm age and profitability are major predictors that may affect the variety of HRA disclosure practices on firms listed in the Vietnam Stock Exchange. However, neither industry profile nor auditor type seems to explain differences in human resource disclosure practices between Vietnamese listed firms, indicating that company's industry profile and auditor type are not a matter for the company to disclose HRA information.