• 대한산업공학회지
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• 제33권2호
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• pp.282-289
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• 2007

While demands for express couriers service are rapidly increasing due to recent progress of electronic commerce, express courier service companies are struggling to take a larger market share through ongoing improvement in their service processes. Cut-off time is the time limit that all orders delivered before the limit are guaranteed for the delivery within the very next day. Extending cut-off time for express service centers can provide the express company with increase of total sales, but it may also cause increasing the possibility not to satisfy customer needs due to work delay in the consolidation terminal. We develop a design model for express courier service network based on a recursive optimization/simulation procedure. With the optimization model, we seek key design parameters such as the cut-off time for express service centers and the capacity of the consolidation terminal maximizing total sales profit while satisfying the desired level of performances. With the simulation model, we consider the dynamic nature of the network and obtain relationships between the design parameters and the performance measures with the multiple linear regression. The validity of the model is examined with an example.

• 가정과삶의질연구
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• 제21권1호
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• pp.49-60
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• 2003

The purpose of this study is to analyze expenditure on children's private, after-school education, perceptional need for private education, and budget planning pattern for the expenditure of education applying survey data, and to investigate current situation to Identify solving planning for digital age. taking on-line educational service system and internet financial planning for children's educational expenditure into account. Under the purposes, this study especially focused on the condition of on-line educational service system and the merits as well as problems of the system, the need for household financial planning for children's education, and the condition or nature of internet financial planning system, in terms of providing market information and of suggesting policy implications.

• 대한간호
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• 제20권4호통권112호
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• pp.68-73
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• 1981

한국에서의 간호원의 교육과 간호업무 기대간에는 어떤 $lceil$갭$rfloor$이 존재하는 것일까? 만약 존재한다면 이런 $lceil$갭$rfloor$의 본질은 무엇인가?

• 유통과학연구
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• 제16권1호
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• pp.29-36
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• 2018

Purpose - The purpose of the research is to further explore the understanding of the nature of the brand distribution service (i.e., service brand) by undertaking a quantitative investigation. We focus on the role of customer's perception of service brand on the customer value creation process. Research design, data, and methodology - This study used single cross-sectional design and 137 airline passengers as respondents using a convenience random sampling. We distributed the online questionnaires by email address. The empirical setting for this research is airline service in Indonesia with a consideration that airline service has the useful context for this research as the service delivery process involve extensive customer interactions with the airline and its employees. We then analyzed the data using multiple regression (step-wise) method to fulfill the research objectives. Results - Using the step-wise regression method, the result shows that the influential factors to create customer value are cost and company image. The result suggests a company to improve its costs components and its company image in order to increase the customer value. Conclusions - The research shows that costs play a critical role, and completed with the company image to form the customer value variable. This shows that mostly customer formed their value based on costs they sacrificed. Mainly, this evaluation is monetary cost based, while Indonesian customers tend to have a high value for money demands.

• 한국수학교육학회지시리즈A:수학교육
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• 제53권1호
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• pp.147-162
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• 2014

The purpose of this study was to investigate the nature of pre-service elementary teachers' metaphors on mathematics textbooks. Their metaphors describe individual and collective patterns of thinking and action on mathematics teaching and learning. To analyze their metaphors, qualitative analysis method based on Lakoff and Johnson's theory of metaphor (1980) was adopted. Metaphors on mathematics textbooks were elicited from 161 pre-service elementary school teachers through writing prompts. The writing prompt responses revealed three types and thirteen categories: As Type I, there were (1) 'Principles', (2) 'Summary', (3) 'Manual', (4) 'Encyclopedia', (5) 'Code', (6) 'Guidelines', and (7) 'Example'. As TypeII, there were (9) 'Assistant', (10) 'Friend', (11) 'Scale', and (12) 'Ongoing'. As TypeIII, there was (13) 'Trap'. Among these categories, 'Guidelines', 'Assistant', and 'Ongoing' were the most frequently revealed. These results indicate that the relations of mathematics curriculum, textbooks, and classrooms are not a unilateral way but should communicate with each other.

• 보건행정학회지
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• 제32권1호
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• pp.1-2
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• 2022

With the rising attention dedicated to research ethics, the responsibility of researchers to comply with research ethics is also highlighted. Among a number of research ethics obligations that researchers should abide by, an institutional review board (IRB) review is the most essential step to be taken before launching research. As the health service research field grapples with human subjects, it closely aligns with IRB deliberation. However, it seems that researchers still do not fully understand their obligations of IRB reviews. Due to the nature of health services research, there are many cases that are exempt from IRB reviews, which often elicits confusion in the research field. On that note, we aim to explore the issues regarding IRB reviews that health service researchers need to know.

• 통상정보연구
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• 제2권1호
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• pp.67-95
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• 2000

전자상거래중 국제간, 기업간 전자상거래라고 할 수 있는 글로벌전자무역이 볼레로 서비스의 도입으로 가시화되고 있다. 본 연구에서는 국제무역에서 대금결제수단으로서 사용되고 있는 신용장외 대안으로서의 전자신용장의 도입에 따른 본질을 규명하고 전자신용장거래에서 서류의 전자제시에 대하여 연구하였다. 우선 기존무역거래절차의 한계와 글로벌전자무역의 의의를 살펴보았고 신용장통일규칙과 신용장거래원칙의 차원에서 전자신용장의 본질을 규명하였으며 전자신용장의 거래원칙으로서 독립 추상성의 원칙, 전자서류거래의 원칙, 엄격일치의 원칙을 제시하였다. 그러고 선적서류의 전자제시로서 기존의 선화증권의 도입사례를 간략히 살펴보았고 특히 볼레로 선화증권과 전자신용장거래와의 관련성을 살펴보았다.

• 보건의료산업학회지
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• 제10권4호
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• pp.97-107
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• 2016

Objectives : This study aims to : (i) characterize and differentiate between two different periods of baby boomers, (ii) study the utilization of their health care services, and (iii) establish effective ways of providing better health service utilization and preventive policy strategies for upcoming and older generations. Methods : A multiple regression analysis using descriptive statistics, frequency analysis, and dummy variables was utilized to access the presence of correlations between socio-demographic factors and health care service utilization. Results : Medical insurance type, marital status, and chronic disease were factors that influenced health care service utilization. Furthermore, the factors that influenced individual medical expenses were cohabitation, inpatient days, and chronic disease. Conclusions : Primary findings and exploratory statistics revealed that there were strong correlations and interaction among some of the predictor variables. Because of the chronologically limited nature of the sample data set gathered in 2012, it would be helpful to continue to develop or research related constructs that may capture relationships more effectively among extended populations.

• 한국시뮬레이션학회논문지
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• 제17권2호
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• pp.75-82
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• 2008

기존의 대기행렬시스템 추론에 관한 연구들은 서비스시작시점과 서비스종료시점을 이용하여 수행되었다. 그러나 서비스시작시점은 시스템 내부 관측치로서 실제로 관측하기 어려울 때가 많다. 본 논문에서는 서비스시작시점 대신 외부 관측치인 도착시점을 이용하여 대기행렬시스템을 추론한다. 도착 및 이탈시점에 근거한 대기행렬 모형의 분석은 서비스시작시점의 결정이 관건이다. 본 연구의 선행연구로서 선입선출 및 후입선출 시스템에 대한 서비스시작시점의 결정방법은 이미 개발되었다. 본 논문에서는 임의순서규칙 대기행렬시스템으로 추론 범위를 확장한다. 구하고자 하는 성능척도는 평균대기시간과 평균서비스시간이며 이들의 분산을 구함으로써 통계적 분석기법의 사용이 가능하도록 하였다. 마지막으로 시뮬레이션 결과로부터 얻은 데이터를 이용하여 본 연구의 추론방법을 적용함으로써 그 타당성을 검증하였다.

• Journal of Ecology and Environment
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• 제38권2호
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• pp.241-247
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• 2015

A participatory approach of local stakeholders is important to create a balance between nature protection and the sustainable use of natural resources in a nature reserve and its vicinity area. The zoning and management policy of biosphere reserves (BRs) is a good example of this idea, especially for island reserves. Yakushima was inscribed as a World Natural Heritage (WH) in 1993. Almost all of its residents did not remember that Yakushima was a BR. In addition, Yakushima has some problems in nature reserve management. Overabundance of the deer population is a critical threat to both agriculture and natural vegetation in the world heritage site. There are too many tourists visiting the WH site and Nagata-hama beach. The beach is a Ramsar site and one of the most important spawning grounds of sea turtles in the north Pacific. Now, residents and the municipality have decided to reactivate the Yakushima BR. Although the Ministry of the Environment of Japan has an initiative to manage the WH and the Ramsar site, the BR is managed by the municipality and local stakeholders. Local activities of both nature conservation and the sustainable use of natural resources are encouraged in the BR site. The islanders willingly included all areas of the island into the BR site. Scientists who have participated in the Society of Yakushimaology have played a significant role to build trust between local stakeholders and to seek feasible policies on the nature reserves. The concept of the "Yakushima Environmental Culture Village" is a good model for the extension plan of the Yakushima and Kuchinoerabujima BRs.