• Computers and Concrete
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• 제31권1호
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• pp.23-32
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• 2023

Reinforced concrete flat slab (RCFS) with columns is a standard gravity floor system for tall buildings in North America. Typically, RCFS-column connections are designed to resist gravity loads, and their contribution to resisting seismic forces is ignored. However, past experimental research has shown that RCFS-column connections have some strength and ductility, which may not be ignored. Advanced numerical models have been developed in the past to determine the nonlinear cyclic behavior of RCFS-column connections. However, these models are either too complicated for nonlinear dynamic analysis of an entire building or not developed to model the behavior of modern RCFS-column connections. This paper proposes a new nonlinear model suitable for modern RCFS-column connections. The numerical model is verified using experimental data of specimens with various material and reinforcement properties. A 40-story RC shear wall building was designed and analyzed to investigate the influence of RCFS on the global response of tall concrete buildings. The seismic responses of the building with and without the RCFS were modelled and compared. The results show that the modelling of RCFS has a significant impact on the inter-story drifts and force demands on both the seismic force-resisting and gravity elements.

• 아태비즈니스연구
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• 제13권1호
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• pp.167-183
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• 2022

Purpose - The purpose of this study is to show the need to use the past long-term returns for investment decisions in U.S. equity funds and to suggest an investment strategy using long-term returns. Design/methodology/approach - This study solves the problem of high return volatility in long-term returns and proposes new investment portfolios based on the behavior of fund investors according to past returns. For the investment portfolio of this study, 60 months are divided into several periods and the average of the performance ranks for each period is used. Findings - First, funds with high average returns over multiple periods have lower future outflows and higher future returns than funds with high 60-month cumulative returns. Second, funds with low average returns over multiple periods have lower future inflows and lower future returns than funds with low 60-month cumulative returns. The findings mean that when making decisions based on past long-term returns, it is a smarter investment choice to buy funds with high average returns over multiple periods and sell funds with low average returns over multiple periods. Research implications or Originality - This study shows that it is necessary to use long-term returns in fund investment by analyzing the characteristics of the portfolio based on past returns. In addition, the study is meaningful in that it suggests a way to use long-term returns more efficiently based on the behavior of fund investors and shows that such investments lead to higher returns in the future.

• Journal of applied mathematics & informatics
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• 제41권5호
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• pp.1085-1102
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• 2023

In this study the magneto hydrodynamic (MHD) micro polar fluid flow of a viscous incompressible fluid past a porous medium in the presence of chemical reaction is considered. This work is devoted to investigate the Soret effect and Electromagnetic radiation effect and analyze analytically. In the energy equation the applied magnetic field strength and in the concentration equation the Soret effect are incorporated. The basic PDE (partial differential equations) are reduced to ODE (ordinary differential equations) using non dimensional variables. Then the analytical solution of the dimensionless equations are found using perturbation technique. The features of the fluid flow parameters are analyzed, discussed and explained graphically. The graphical solutions are found using MATLAB R2019b. Skin friction coefficient at the wall, Couple stress coefficient at the plate and the local surface heat flux are also thoroughly examined. Overall, this study sheds light on the complex interplay between physical parameters in the behavior of MHD micro-polar fluid past a porous medium in the presence of chemical reaction.

• International Journal of Advanced Culture Technology
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• 제12권2호
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• pp.258-269
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• 2024

This study aims to examine the effects of child care teachers' job stress and personality on child abuse protective behaviors, which consist of perception and reporting intention of child abuse, and to verify the moderating effect of past child abuse experience. A survey was conducted on 246 child care teachers nationwide, and the collected data were analyzed through regression analysis and t-test. The results showed that job stress had a negative effect and personality had a positive effect on child abuse protective behaviors. In addition, there was a significant difference in the influence of job stress and personality on protective behaviors according to the presence or absence of past child abuse experience. Based on these results, practical implications for preventing child abuse by child care teachers were discussed.

• 한국콘텐츠학회논문지
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• 제20권9호
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• pp.332-343
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• 2020

본 연구는 디지털음악 구매의도에 관한 연구로서, 지각된 가치를 추가한 목표지향적 행동모형(EMGB)을 적용하여 태도, 주관적 예기정서, 긍정적 예기정서, 부정적 예기정서, 지각된 행동통제, 열망 등의 변인이 디지털 음악 구매의도에 미치는 영향을 실증적으로 분석하였다. 본 연구는 중국 모바일 음악 애플리케이션을 이용하는 중국인 소비자들을 대상으로 한 설문조사를 통해 이루어졌으며, 총 342부의 유효 응답을 회수하여 구조방정식모형을 제시하고 분석하였다. 연구결과에 의하면 디지털 음악 구매에 대한 태도, 부정적 예기정서, 지각된 행동통제, 과거행동 빈도는 열망에 긍정적인 영향을 미치는 것으로 나타났다. 또한 추가한 변인인 지각된 가치가 태도에 유의한 영향을 주는 동시에 과거행동 빈도 및 열망과 함께 구매의도에 긍정적인 영향을 미치는 것으로 확인되었다.

• 기록학연구
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• 제69호
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• pp.153-187
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• 2021

인간 삶은 '서사'로 재현되기도 하고, 삶의 과정에서 인간 스스로 '서사'를 만들기도 한다. 따라서 '서사'는 삶과 시간을 이해하는 중요한 수단이다. 과거, 현재, 미래는 단절된 시간들이 아니다. 과거는 미래에 개방되어 있고, 미래는 과거의 의미를 규정하며, 과거는 현재의 삶의 지평으로 환원된다. '서사'는 이러한 열린 시간성을 전제로 형성된다. 기록은 그 자체로서 하나의 '서사'이며, 이 '서사'에 의해 과거의 시간이 재현된다. 또한 기록을 읽어내는 행위에 의해 기록의 '서사'가 아닌 새로운 '서사'가 만들어지기도 한다. 실재와 기록된 '서사'는 순환적이고 변증법적인 구조로 서로를 보완한다. 이글은 실재와 기록, 그리고 기억이 맺는 관계에 대해 현상학적 방법을 동원해 탐구한다. 탐구 도구로 폴 리쾨르의 해석학을 채택하여, 기록이 어떻게 실재와 관계 지워지고 해석되는지, 그리고 아카이브 정의에 복무하는 기억이 어떤 방식으로 형성되어야 하는지에 대해 살펴본다.

• 한국의류학회지
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• 제22권5호
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• pp.617-627
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• 1998

In marketing reserach, the ultimate goal is to increase predictability of consumer's purchse behavior. However, most of the marketing researchers measure purchase intention rather than behavior assuming that the consumer's purchase behaviors will coincide with their intentions. Lately, there have been many arguments whether purchase intention is meaningful as a determinant or a predictor for purchase behavior. Additionally, many studies reported substantial variations among the 'product categories. The purpose of this study was to find out the relationship between consumer's purchase intention and purchase behavior of apparel products. Two research questions were set up. One was to find out the relationship between the intention and behavior, and the other was to find out the factors affecting the relationship. It was found out that mere intention could neither explain nor predict behavior, and that the factors affecting intenting intention- behavior inconsistency had to be submitted for explanation and prediction. These factors could explain inconsistency between the intention and the behavior. Regression equations in the past researches explained aggregate results, but coludn't explain each consumer's intention-behavior inconsistency. The integration of the specific intention and the affecting factors can increase predictability of each consumer's purchase behavior.

• 산업경영시스템학회지
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• 제18권36호
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• pp.113-120
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• 1995

Much of the past work regarding repairable item stockage has concentrated on the development of models and policies for systems in steady state. However, there are important situations in which the transient behavior is most important. A dramatic example of this is the potential dynamic behavior exhibited by demands and service in the deployment of an Air Force squadron at the onset of a conflict. The purpose of this paper is to derive some probability distributions necessary for providing an integrated approach for a multi-echelon inventory system with nonstationary demands and service rates.

• 한국심리학회지 : 문화 및 사회문제
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• 제28권2호
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• pp.107-131
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• 2022

본 연구는 직장 내 괴롭힘 주변인 행동을 측정하는 척도를 개발하고 타당화하는 것을 목적으로 실시되었다. 이를 위해 직장 내 괴롭힘 관련 선행연구를 참고하여 문항을 개발하고, 친가해행동, 방어행동, 방관행동으로 하위유형을 규정하였다. 전문가를 통한 내용 타당도 확인 후 총 31문항의 예비문항을 구성하였다. 지난 3년간 직장 내 괴롭힘을 직·간접적으로 목격한 민간기업 사무직 직장인 288명의 설문자료로 탐색적 요인분석을 실시하여 최종문항 26개를 선정하였으며, 이 과정에서 방어행동이 적극적 유형과 지지적 유형 두 가지 구인으로 변별됨이 확인되었다. 지난 1년간 직장 내 괴롭힘을 직·간접적으로 목격한 민간기업 사무직 직장인 518명의 자료로 확인적 요인분석을 실시하고 개발된 척도의 타당성과 신뢰성을 확인하였다. 하위유형의 재확인을 위해 경쟁모형 비교를 실시한 결과 적극적 방어행동과 지지적 방어행동이 변별됨이 재차 확인되었다. 직장 내 괴롭힘 가해행동, 조직 내 이타적 행동, 친 사회적 행동, 개입에의 공포, 도덕적 이탈, 죄책감, 도덕적 정체성의 준거변인을 설정하여 모든 하위유형의 준거 관련 타당도를 확인하였다. 본 연구의 결과로 직장 내 괴롭힘 주변인 행동과 관련된 후속 연구 과제와 직장 내 괴롭힘 예방 및 개입에 있어 주변인 행동을 활용할 방안에 대해 논의하였다.

• Nutrition Research and Practice
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• 제12권4호
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• pp.348-354
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• 2018

BACKGROUND/OBJECTIVES: Obesity is a serious concern worldwide, for which the restaurant industry holds partial responsibility. This study was conducted to estimate restaurant consumers' intention to select healthy menu items and to examine the relationships among behavioral beliefs, past behaviors, attitudes and behavioral intentions, which are known to be major determinants of consumer behaviors. SUBJECTS/METHODS: An online, self-administered survey was distributed for data collection. The study sample consisted of customers who reported having visited casual dining restaurants in the last three months at the time of the survey. Structural equation modeling was used to verify the fit of the proposed research model. RESULTS: Structural equation modeling revealed that the proposed model supports the sequential, mediated (indirect) relationships among behavioral beliefs, past behaviors, attitudes and behavioral intentions toward healthy menu selection. CONCLUSION: This study contributes to the available literature regarding obesity by adding past behaviors, one of the most influential variables involved in prediction of future behaviors of consumers, to the TPB model, enabling a better understanding of restaurant consumers' rational decision process regarding healthy menu choices. The results of this study provide practical implications for restaurant practitioners and government agencies regarding ways to promote healthy menus.