• Journal of applied mathematics & informatics
• /
• v.6 no.2
• /
• pp.455-466
• /
• 1999

In this note we present a numerical scheme for finding an approxximate solution of an equation which can be viewed as a model for spatial diffusion of age-depednent biological populations. Discretization of the model yields a linear system with a block tridi-agonal matrix. Our main concern will be discussion of stability for this scheme by examining the eigenvalues of the block tridiagonal matrix. Numerical results are presented.

• Information Systems Review
• /
• v.21 no.3
• /
• pp.63-86
• /
• 2019

As the use of ICT became a part of daily social life, online community has emerged as a new type of social organization. Online community is a virtual space which enables many people to participate and contribute together to collective knowledge. Anonymity in online communities can encourage active social participation by people with various social constraints, however, anonymity can also lead to serious social pathology. As a result, it is necessary to study on what is fundamentally influencing human behavior and how people's behavior is controlled in anonymous online community. This study focuses on human identity and investigate the factors affecting human behavior control in anonymous online environment by examining various aspects of identity in online discussion community. This study empirically verifies the causal relationship between factors, including social & technical anonymities, various identity dimensions, intrinsic motivation to participate in the community, group norm conformity, and quality of discussion. It also analyzes the difference between groups by the level of anonymity, gender, age, community usage period, and discussion topic. Based on the findings, this research provides theoretical and practical implications for online community management strategies and a better culture on Internet discussion.

• Journal of The Korean Association For Science Education
• /
• v.21 no.2
• /
• pp.299-315
• /
• 2001

In this modern society, the students should be able to recognize problems for themselves, and search the information which is valuable for them, and apply and utilize it. For these, we analyzed the effect of the discussion learning using the concept cartoons on the students' learning attitude and achievement. Even though there was no meaningful difference in the achievement between the experimental group and the control group, it was found that the discussion learning using the concept cartoons could be one of the ways that improve the students' problem solving ability. The fact that there was the significant affirmative effect on the students' positiveness when they were solving the problems was also found.

• International Commerce and Information Review
• /
• v.9 no.4
• /
• pp.265-288
• /
• 2007

This study analyzed which conflict management norm was preferred according to unique cultural difference of nation and such conflict management norm influences on conflict management type in solving real conflict when conflict in organization occurs and such conflict norm had a preference and influence on conflict management type in solving real conflict through such conflict management norm. As the result, first, Korean managers showed still high attitude on group interest and aimed to negotiation. But they highly depended on control. Canada managers showed discussion norm of individual interest and performed conflict management laying stress on unity and negotiation. second, as for conflict management of negotiation, both Canada and Korea performed it on the based of his or her interest discussion and as for plural agenda unity positively influenced to unity conflict management in Korea but in Canada, attitude for the future negatively influenced.

• East Asian Journal of Business Economics (EAJBE)
• /
• v.7 no.4
• /
• pp.51-58
• /
• 2019

Purpose - This paper aims to analyze the difference of technological innovative pattern by industry. Research design and methodology - we try to identify the major factors which can exert an effective influence on actual innovation output, utilizing the result of Korean Innovation Survey. By doing so, this work can make a comparison with Pavitt (1984) and succeeding discussion on sectoral pattern of innovation Results - Analysis on major industry in Korea shows that there are substantial differences in terms of the source of innovation, organization-related factor, and appropriation mechanism among each industry, and differential strategy to be proper for the nature of each industry is needed. There is some variation within industries which deemed as same type of sector defined by Pavitt. Conclusions - This analysis call for elaborate analysis on sectoral pattern of innovation, considering the change and difference of innovative environment as well as differential business strategy and way to do innovate, which is proper considering the nature of innovative pattern in each industry for successful technological innovation in Korea. At the same time, proper policy measure considering the differential pattern of technological innovation is needed.

• The Korean Journal of Applied Statistics
• /
• v.7 no.1
• /
• pp.113-119
• /
• 1994

Logical and frequency probabilities are computed with discussion on their conceptual difference for the case of '14-faces dice' which was excavated in a Unified Silla period pond Anap-chi located at Kyung-ju City, Korea. This wooden dice has eight triangular and six square faces.

• Proceedings of the Korea Electromagnetic Engineering Society Conference
• /
• 2002.11a
• /
• pp.259-262
• /
• 2002

The problems of electromagnetic coupling and radiation in an aperture-coupled microstrip antenna structure are discussed while focusing on the difference between two representative field configuration: parasitic-type and cavity-type. Based on the discussion, a critical look is taken at the validity of a previous description of the coupling mechanism of m aperture-coupled microstrip antenna.

• Smart Structures and Systems
• /
• v.20 no.5
• /
• pp.637-640
• /
• 2017

The adoption of cladding panels as dissipation device is a sort of passive control "ante litteram" for residential and commercial buildings. This paper gives details on the current technology outlining the difference between buffer panels and cladding panels. The discussion of robustness and resilience of the resulting system is afforded. It is shown that the strength of such solution, originally related to economy and light weight, is mainly associated with the respect of the main robustness requisites, as well as the short time it requires for removal and replacement (resilience).

• The Journal of the Korea Contents Association
• /
• v.14 no.7
• /
• pp.242-252
• /
• 2014

This research examined whether there are differences in group decision making between senior leader groups and junior leader groups. Results revealed that senior leaders contributed more during the discussion than junior leaders, and groups with senior leaders performed better than the groups with junior leaders. In post-discussion activities group members noted that senior leaders were able to represent their groups better, and showed better leadership during discussion. On the other hand, the leader's age impacted differently depending on leader selection methods. For senior leaders, leaders randomly assigned were perceived to be more beneficial to groups. However for junior leaders, leaders systematically selected were perceived to represent their groups better and exhibit better leadership. The interaction between leader's age and leader selection seems to arise from a difference of leader's power bases.

• Health Policy and Management
• /
• v.25 no.2
• /
• pp.67-70
• /
• 2015

To establish an appropriate policy for robotic surgery in Korea, the National Evidence-based Collaborating Agency (NECA) and the Korean Society of Health Policy and Administration held a round-table conference (RTC) to gather opinions through a comprehensive discussion of scientific information in gastric cancer. The NECA RTC is a public discussion forum wherein experts from diverse fields and members of the lay public conduct in-depth discussions on a selected social issue in the health and medical field. For this study, representatives from the medical field, patient groups, industry, the press, and policy makers participated in a discussion focused on the medical and scientific evidence for the use of robotic surgery in gastric cancer. According to the RTC results, robotic surgery showed more favorable results in safety and efficacy than open surgery and it is similar to laparoscopy. When the cost-effectiveness of robotic surgery and laparoscopy is compared, robotic surgery costs are higher but there was no difference between the two of them in terms of effectiveness (pain, quality of life, complications, etc.). In order to resolve the high cost issue of the robotic surgery, a proper policy should be implemented to facilitate the development of a cost-effective model of the robotic surgery equipment. The higher cost of robotic surgery require more evidence of its safety and efficacy as well as the cost-effectiveness issues of this method. Discussions on the national insurance coverage of robotic surgery seems to be necessary in the near future.